共 7 条
[1]
Bailey P. B., 1968, NONLINEAR 2 POINT BO
[2]
Hartman P., 2010, CLASSICS APPL MATH, V38
[3]
HUKUHARA M, 1963, FUNKCIALAJ EKVACROJ, V5, P135
[4]
JACKONS L, 1971, J DIFFER EQUATIONS, V9, P46
[6]
Lasota A., 1964, ANN POL MATH, V15, P253
[7]
Lasota A., 1963, ANN POL MATH, V13, P129