@article{UZMU_1951_148_148_a9,
     author = {S. Ya. Havinson},
     title = {On some extremal problems of the theory of analytic functions},
     journal = {Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta},
     pages = {133--143},
     publisher = {mathdoc},
     volume = {148},
     number = {148},
     year = {1951},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZMU_1951_148_148_a9/}
}