Matematica
arXiv - Mathematics Archivio di e-prints - Cornell University
ERCIM Technical Reference Digital Library (Networked Computer Science Technical Reference Library) ERCIM Technical Reference Digital Library (Networked Computer Science Technical Reference Library)
Indice Nazionale dei Preprint di Matematica / SIBA UniversitÓ degli studi di Lecce Indice Nazionale dei Preprint di Matematica / SIBA UniversitÓ degli studi di Lecce
Topics in Mathematics (WWW resources on Mathematics) Topics in Mathematics (WWW resources on Mathematics)
Project Euclid
Catalogo istat