@article{RM_1972_27_3_a2,
     author = {V. N. Lifshits and L. E. Sadovskii},
     title = {Algebraic models of computing machines},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {87--135},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1972},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1972_27_3_a2/}
}