共 12 条
- [1] FILLIPOV A, 1961, DOKLADY AKAD NAUK SS, V141, P568
- [3] FRIEDMAN A, 1958, PACIFIC J MATH, V8, P210
- [5] KRUZKOV SN, 1961, USP MAT NAUK, V16, P115
- [6] Magenes E., 1958, ANN SCUOLA NORM SUP, V12, P247
- [7] NARASIMHAN R, 1954, J RATION MECH ANAL, V3, P303
- [8] SZARSKI J, 1955, ANN POL MATH, V2, P237
- [9] TYKHONOV AN, 1935, MAT SB, V42, P199
- [10] WALTER W, 1960, MATH Z, V74, P191