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@article{UZERU_2002_3_a1, author = {L. G. Tonoyan}, title = {On the some extremal problem}, journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences}, pages = {7--11}, publisher = {mathdoc}, number = {3}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/UZERU_2002_3_a1/} }
L. G. Tonoyan. On the some extremal problem. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 3 (2002), pp. 7-11. http://geodesic.mathdoc.fr/item/UZERU_2002_3_a1/
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