@article{TM_1968_94_a10,
     author = {G. A. Skotnikova and N. M. Gol'dina},
     title = {Ranges of values of certain coefficient systems of functions typically real in a~ring},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {130--142},
     publisher = {mathdoc},
     volume = {94},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1968_94_a10/}
}