中国科学院数学与系统科学研究院期刊网
JSSC
ON NORMAL EULER NUMBERS OF EMBEDDING SURFACES INTO 4-MANIFOLDS
Gao Hongzhu
ON NORMAL EULER NUMBERS OF EMBEDDING SURFACES INTO 4-MANIFOLDS
Gao Hongzhu
Journal of Systems Science and Complexity . 1990, (2): 166 -171 .