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@article{MZM_1994_56_2_a5, author = {A. V. Pogorelov}, title = {Imbedding a ``soap bubble'' into a tetrahedron}, journal = {Matemati\v{c}eskie zametki}, pages = {90--93}, publisher = {mathdoc}, volume = {56}, number = {2}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_2_a5/} }
A. V. Pogorelov. Imbedding a ``soap bubble'' into a tetrahedron. Matematičeskie zametki, Tome 56 (1994) no. 2, pp. 90-93. http://geodesic.mathdoc.fr/item/MZM_1994_56_2_a5/