@article{DAN_1957_113_1_a11,
     author = {L. I. Rubinshtein},
     title = {On the solution of {Veriguin's} problem},
     journal = {Doklady Akademii Nauk},
     pages = {50--53},
     year = {1957},
     volume = {113},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_1_a11/}
}