An e-print service which presents papers in physics and related disciplines, mathematics, nonlinear science, computer science, and quantitative biology. ArXiv.org is a fully automated electronic archive and distribution server for research papers which functions as a means of communicating ongoing research information in these subject areas.
MathSciNet is the searchable database covering the world's mathematical literature since 1940. It provides online access to the bibliographic data and reviews of mathematical research literature published in mathematical reviews and current mathematical publications.
Is the journal peer reviewed?
In the Ulrichsweb database:
1. Type in the name of the journal.
2. If there is an icon of a black and white jersey beside the journal title then it is peer reviewed/refereed.