@article{DAN_1972_207_4_a5,
     author = {R. I. Podlovchenko},
     title = {Nondeterminate algorithm schemes},
     journal = {Doklady Akademii Nauk},
     pages = {789--792},
     publisher = {mathdoc},
     volume = {207},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_207_4_a5/}
}