共 19 条
[2]
Beckenbach E.F., 1937, B AM MATH SOC, V43, P363, DOI [10.1090/s0002-9904-1937-06549-9, DOI 10.1090/S0002-9904-1937-06549-9]
[3]
HARTMAN P, 1958, REND CIRC MAT PALERM, V7, P123
[4]
JACKONS L, 1971, J DIFFER EQUATIONS, V9, P46
[5]
JACKSON L, 1966, P AM MATH SOC, V17, P1023
[9]
LASOTA A, 1967, COLLOQ MATH, V18, P1