@article{DAN_1957_115_1_a6,
     author = {M. A. Evgrafov},
     title = {Determination of the class of convergence in certain interpolation problems},
     journal = {Doklady Akademii Nauk},
     pages = {31--33},
     publisher = {mathdoc},
     volume = {115},
     number = {1},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_1_a6/}
}