共 51 条
[21]
FUJIMURA K, 1961, RECREATIONAL MATH MA, V6, P67
[22]
GOODSTEIN RL, 1945, MATH GAZ, V29, P227
[23]
Grossman H. D., 1945, SCRIPTA MATH, V11, P360
[24]
GROSSMAN HD, 1948, SCRIPTA MATH, V14, P69
[28]
ITKIN K, 1948, SCRIPTA MATH, V14, P67
[29]
KARAPETOFF V, 1945, SCRIPTA MATH, V11, P186
[30]
Lindstrom B., 1965, CAN MATH BULLETIN, V8, P477