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@article{AM2_1971__6_136168, author = {B. ORB\'AN}, title = {Extension of {Collineations} {Defined} on {Certain} {Sets} of a {Desarguesian} {Projective} {Plane}}, journal = {Aequationes mathematicae}, pages = {59--65}, publisher = {mathdoc}, volume = {6}, year = {1971}, zbl = {0215.50301}, url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136168/} }
B. ORBÁN. Extension of Collineations Defined on Certain Sets of a Desarguesian Projective Plane. Aequationes mathematicae, Tome 6 (1971), pp. 59-65. http://geodesic.mathdoc.fr/item/AM2_1971__6_136168/