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@article{AL_1991_30_1_a6, author = {N. D. Podufalov}, title = {Regular sets and collineations of projective planes}, journal = {Algebra i logika}, pages = {90--101}, publisher = {mathdoc}, volume = {30}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1991_30_1_a6/} }
N. D. Podufalov. Regular sets and collineations of projective planes. Algebra i logika, Tome 30 (1991) no. 1, pp. 90-101. http://geodesic.mathdoc.fr/item/AL_1991_30_1_a6/