共 13 条
[1]
ARONSZAJN N, 1956, CR HEBD ACAD SCI, V242, P723
[3]
BERS L, 1955, 1954 CONV INT SULL E, P111
[4]
Carleman T, 1933, CR HEBD ACAD SCI, V197, P471
[5]
Coddington E. A., 1955, THEORY ORDINARY DIFF
[6]
CORDES HO, 1956, NACHR AKAD WISS G MP, P239
[7]
EISENHART L, 1949, DIFFERENTIAL GEOMETR
[8]
Heinz E., 1955, NACHR AKAD WISS GOTT, V1955, P1
[9]
JOHN F, 1951, P S SPECTRAL THEORY
[10]
LANDIS EM, 1956, DOKL AKAD NAUK SSSR+, V107, P640