Positive solutions of nonlinear problems at resonance
ISSN: 0236-5294, 1588-2632
Year of publication: 1992
Volume: 59
Issue: 3-4
Pages: 339-344
Type: Article
ISSN: 0236-5294, 1588-2632
Year of publication: 1992
Volume: 59
Issue: 3-4
Pages: 339-344
Type: Article