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@article{IVM_1985_8_a13, author = {E. A. Perminov}, title = {The number of rigid graphs that are mutually nonimbeddable into one another}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {77--78}, publisher = {mathdoc}, number = {8}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_8_a13/} }
E. A. Perminov. The number of rigid graphs that are mutually nonimbeddable into one another. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1985), pp. 77-78. http://geodesic.mathdoc.fr/item/IVM_1985_8_a13/