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@article{DM_1992_4_2_a10, author = {A. S. Asratyan and A. N. Mirumyan}, title = {Counterexamples to the {Kotzig} problem}, journal = {Diskretnaya Matematika}, pages = {96--98}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1992_4_2_a10/} }
A. S. Asratyan; A. N. Mirumyan. Counterexamples to the Kotzig problem. Diskretnaya Matematika, Tome 4 (1992) no. 2, pp. 96-98. http://geodesic.mathdoc.fr/item/DM_1992_4_2_a10/