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@article{IVM_1969_2_a12, author = {Yu. L. Shmul'yan}, title = {Linear fractional transformations in a~space with involution}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {117--126}, publisher = {mathdoc}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_2_a12/} }
Yu. L. Shmul'yan. Linear fractional transformations in a~space with involution. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1969), pp. 117-126. http://geodesic.mathdoc.fr/item/IVM_1969_2_a12/