共 8 条
[1]
ACHIEZER NI, 1954, THEORIE LINEAREN OPE, P263
[4]
GELFAND IM, 1955, DOKL AKAD NAUK SSSR+, V103, P349
[5]
GELFAND IM, 1938, MAT SBORNIK NS, V4, P246
[8]
[No title captured]