共 23 条
[3]
Bujalance E., 1981, REV MAT HISP AM, V41, P121
[4]
BUJALANCE E, UNPUB COMBINATORIAL
[6]
GORDEJUELA JJE, 1984, MATH ANN, V268, P533
[7]
GORDEJUELA JJE, 1986, J PURE APPL ALGEBRA, V42, P25
[9]
CLASSIFICATION OF NON-EUCLIDEAN PLANE CRYSTALLOGRAPHIC GROUPS
[J].
CANADIAN JOURNAL OF MATHEMATICS,
1967, 19 (06)
:1192-&