ZMATH: Zentralblatt fأ¼r Mathematik:
European database of reviews and abstracts of math publications.
Requires subscription, but has limited free access.
http://www.emis.de/ZMATH/
ArXiv:
Open e-print archive with over 100,000 articles in physics, 10,000
in mathematics, and 1,000 in computer science. (Formerly called xxx;
free)
http://arxiv.org/
Front for the Mathematics ArXiv:
User-friendly front end for the mathematics section of the arXiv
(free).
http://front.math.ucdavis.edu/
MathSciNet:
Math Reviews: AMS database of more than a million reviews and
abstracts of math publications (requires subscription).
http://www.ams.org/mathscinet/
JSTOR:
Scans of print journals, with 10 major math journals (requires
subscription).
http://www.jstor.org/
Electronic Research Archive for Mathematics (The Jahrbuch Project):
A digital archive of the most important mathematical publications of
the period 1868-1942 and a database based on the "Jahrbuch أ¼ber die
Fortschritte der Mathematik".
http://www.emis.de/projects/JFM/
2000 Mathematics Subject Classification:
Classification used by Math Reviews (MathSciNet) and Zentralblatt
MATH (ZMATH) and other math bibliographies.
http://e-math.ams.org/msc/
MR Lookup:
Bibliographic data from Math Reviews without the reviews (free).
http://www.ams.org/mrlookup
Journal Copyright Policy Gossip:
Information from authors and publishers about the copyright policies
of certain journals.
http://modular.fas.harvard.edu/copyright/
The Electronic Library of Mathematics:
The Electronic Library of Mathematics is offered by the European
Mathematical Society (EMS) in cooperation with FIZ Karlsruhe /
Zentralblatt MATH. Online journals, article collections, and
monographs in electronic form: access is free.
http://www.math.ethz.ch/EMIS/ELibM.html
The Mathematics Preprint Server:
A permanent web archive and rapid distribution medium for research
articles. Preprints can be uploaded and removed. Email alerting
service.
http://www.mathpreprints.com/
Committee on Electronic Information Communication (CEIC):
Part of the International Mathematical Union. Its mandate is to
coordinate world-wide efforts to publish mathematical papers,
journals, and other scholarly work in web form. It may recommend
standards on issues related to electronic communication.
http://www.ceic.math.ca/
Fachinformationszentrum Karlsruhe (FIZ):
Information services for academic and industrial research. Access to
MATH Database (Zentralblatt fأ¼r Mathematik), International Reviews
on Mathematical Education (Zentralblatt fأ¼r Didaktik der Mathematik),
CompuScience and index to Springer Lecture Notes in CS.
http://www.zblmath.fiz-karlsruhe.de/
Mathematics Web:
An integrated search of Elsevier journal articles and preprints.
http://www.mathematicsweb.org/