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@article{IVM_1990_3_a11, author = {K. \`E. Kalyamanova}, title = {Rational tetrahedra}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {73--75}, publisher = {mathdoc}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_3_a11/} }
K. È. Kalyamanova. Rational tetrahedra. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1990), pp. 73-75. http://geodesic.mathdoc.fr/item/IVM_1990_3_a11/