Birman, M. Sh. Über das Spektrum von singulären Randwertaufgaben. (Russian) Zbl 0104.32601 Mat. Sb., N. Ser. 55(97), 125-174 (1961). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 40 Documents Keywords:partial differential equations × Cite Format Result Cite Review PDF