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@article{MO_2008_47_3_a3, author = {V. B. Drozdov}, title = {Geometric {Problems} on {Extremum}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {39--49}, publisher = {mathdoc}, volume = {47}, number = {3}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2008_47_3_a3/} }
V. B. Drozdov. Geometric Problems on Extremum. Matematičeskoe obrazovanie, Tome 47 (2008) no. 3, pp. 39-49. http://geodesic.mathdoc.fr/item/MO_2008_47_3_a3/