共 9 条
- [2] Eberhard W, 1964, MATH Z, V86, P205
- [3] Fage M.K., 1987, PROBLEM EQUIVALENCE
- [4] FREILING G, UNPUB
- [5] HROMOV AP, 1968, ORDINARY DIFFERENTIA
- [6] HROMOV AP, 1976, MATH NOTES, V19, P451
- [7] HROMOV AP, 1966, MAT SBORNIK, V70, P310
- [8] Kostyuchenko A.G., 1978, FUNCT ANAL APPL, V12, P262, DOI 10.1007/BF01076380
- [9] WOLTER M, 1978, THESIS MARBURG LAHN