期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2002
卷号：32
DOI：10.1155/S0161171202007500
出版社：Hindawi Publishing Corporation
摘要：Generalizations of the Johnson parallelisms are given using an
index m subgroup of a Pappian central collineation group. The
parallelisms, called m-parallelisms, are constructed
and the isomorphisms classes are discussed.
