Manes, Adele; Micheletti, Anna Maria Un’estensione della teoria variazionale classica degli autovalori per operatori ellittici del secondo ordine. (Italian) Zbl 0275.49042 Boll. Unione Mat. Ital., IV. Ser. 7, 285-301 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 70 Documents MSC: 49R50 Variational methods for eigenvalues of operators (MSC2000) 35J35 Variational methods for higher-order elliptic equations PDFBibTeX XMLCite \textit{A. Manes} and \textit{A. M. Micheletti}, Boll. Unione Mat. Ital., IV. Ser. 7, 285--301 (1973; Zbl 0275.49042)