共 16 条
[7]
Kartsatos A. G., 1976, Bulletin of the Australian Mathematical Society, V14, P343, DOI 10.1017/S0004972700025223
[8]
KARTSATOS AG, 1975, J MATH ANAL APPL, V52, P1, DOI 10.1016/0022-247X(75)90050-5
[9]
KIGURADZE IT, 1965, DIFFERENTIAL EQUATIO, V8, P773
[10]
LOVELADY DL, 1977, CZECH MATH J, V27, P242