共 18 条
[1]
ANDO T, 1982, IN PRESS LINEAR ALGE
[6]
Gohberg I., 1969, TRANSLATIONS MATH MO
[7]
Halmos P.R, 1974, NAIVE SET THEORY UND, DOI [10.1007/978-1-4757-1645-0, DOI 10.1007/978-1-4757-1645-0]
[9]
HEINZ E., 1951, MATH ANN, V123, P415
[10]
Kato T, 1966, PERTURBATION THEORY