RT Journal Article T1 On the "Favard theorem" and its extensions A1 Marcellán Español, Francisco José A1 Álvarez Nodarse, Renato AB In this paper we present a survey on the "Favard theorem" and its extensions. PB Elsevier SN 0377-0427 YR 2001 FD 2001-01-15 LK https://hdl.handle.net/10016/6127 UL https://hdl.handle.net/10016/6127 LA eng NO 24 pages, no figures.-- MSC2000 codes: 33C47, 42C05, 33D45. NO MR#: MR1808576 (2001m:42048) NO Zbl#: Zbl 0970.33008 NO This work has been partially supported by the European project INTAS-93-219-ext and by the Spanish Dirección General de Enseñanza Superior (DGES) grant PB-96-0120-C03-01. DS e-Archivo RD 20 may. 2024