@article{DAN_1963_151_1_a14,
     author = {R. N. Tonoyan},
     title = {Some equivalent transformation of algorithm schemes},
     journal = {Doklady Akademii Nauk},
     pages = {59--61},
     publisher = {mathdoc},
     volume = {151},
     number = {1},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_1_a14/}
}