共 18 条
[1]
Burchnall JL, 1923, P LOND MATH SOC, V21, P420
[2]
Drinfeld V. G., 1977, FUNKTSIONAL ANAL PRI, V11, P11
[3]
DUBROVIN BA, 1976, USP MAT NAUK, V31, P55
[4]
Faddeev L.D., 1971, FUNCT ANAL APPL+, V5, P18
[7]
Gelfand I. M., 1976, FUNK ANAL PRILOVZEN, V10, P13, DOI [10.1007/BF01076025, DOI 10.1007/BF01076025]
[8]
Gelfand I.M., 1955, T AM MATH SOC, V1, P253
[9]
Gelfand I. M., 1977, FUNCT ANAL APPL, V11, P11
[10]
Ince EL., 1956, ORDINARY DIFFERENTIA