共 14 条
[5]
KRUSHKOV SN, 1969, SOV MATH DOKL, V10, P785
[6]
KRUSKOV S, 1970, MATH USSR SB, V10, P217
[7]
MCLAUGHLIN DW, LECTURE NOTES PHYSIC, V230
[8]
Murat F., 1978, ANN SCUOLA NORM SU S, VIV, P489
[9]
RASCLE M, 1986, CR ACAD SCI I-MATH, V302, P311