@article{GDZPPN002025124,
title = {Extension of Collineations Defined on Certain Sets of a Desarguesian Projective Plane},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {59-65},
zbl = {0215.50301},
url = {http://dml.mathdoc.fr/item/GDZPPN002025124}
}
ORBÁN, B. Extension of Collineations Defined on Certain Sets of a Desarguesian Projective Plane. Aequationes mathematicae, Tome 7 (1971) pp. 59-65. http://gdmltest.u-ga.fr/item/GDZPPN002025124/