@article{DAN_1957_116_3_a2,
     author = {S. V. Smirnov},
     title = {On the existence of a solution to the problem of general anamorphosis},
     journal = {Doklady Akademii Nauk},
     pages = {360--362},
     publisher = {mathdoc},
     volume = {116},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_116_3_a2/}
}