共 14 条
[1]
HALLAM TG, 1971, CZECH MATH J, V21, P661
[3]
HALLAM TG, 1969, ARCH RATION MECH AN, V33, P139
[4]
HALLAM TG, 1967, P AM MATH SOC, V18, P432
[5]
HUNT RW, 1965, T AM MATH SOC, V115, P54
[7]
CRITERIA FOR OSCILLATION OF SOLUTIONS OF DIFFERENTIAL EQUATIONS OF ARBITRARY ORDER
[J].
PROCEEDINGS OF THE JAPAN ACADEMY,
1968, 44 (07)
:599-+
[8]
KARTSATOS AG, 1969, B FS IBARAKI U MATH, V2, P9
[9]
Ladas G., 1972, DELAY FUNCTIONAL DIF