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@article{IVM_1969_9_a3, author = {M. V. Dragnev}, title = {Point correspondences between two $P_n$'s with harmonic characteristic configuration}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {23--29}, publisher = {mathdoc}, number = {9}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_9_a3/} }
M. V. Dragnev. Point correspondences between two $P_n$'s with harmonic characteristic configuration. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1969), pp. 23-29. http://geodesic.mathdoc.fr/item/IVM_1969_9_a3/