@article{RM_1999_54_4_a2,
     author = {S. Ya. Havinson},
     title = {Golubev sums: a theory of extremal problems like the analytic capacity problem and of related approximation processes},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {753--818},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1999_54_4_a2/}
}