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@article{MZM_1979_26_2_a11, author = {V. P. Fedotov}, title = {A~counterexample to {Firey's} hypothesis}, journal = {Matemati\v{c}eskie zametki}, pages = {269--275}, publisher = {mathdoc}, volume = {26}, number = {2}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1979_26_2_a11/} }
V. P. Fedotov. A~counterexample to Firey's hypothesis. Matematičeskie zametki, Tome 26 (1979) no. 2, pp. 269-275. http://geodesic.mathdoc.fr/item/MZM_1979_26_2_a11/