共 11 条
- [2] CHRISTENSON CO, 1977, ASPECTS TOPOLOGY
- [3] DUDA R., 1970, FUND MATH, V68, P87
- [4] Keller O.-H., 1931, MATH ANN, V105, P748
- [5] Knill R.J., 1967, FUND MATH, V60, P35
- [6] MICHAEL E, 1951, T AM MATH SOC, V71, P152
- [7] Nadler S.B., 1978, HYPERSPACES SETS