@article{DAN_1977_232_2_a2,
     author = {M. I. Kanovich},
     title = {Complexity of complete systems of equivalent transformations in programming languages},
     journal = {Doklady Akademii Nauk},
     pages = {273--276},
     publisher = {mathdoc},
     volume = {232},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_232_2_a2/}
}