@article{TRSPY_1962_66_a4,
     author = {K. V. Shakhbazyan},
     title = {The calculus of programming functional operations},
     journal = {Informatics and Automation},
     pages = {45--76},
     publisher = {mathdoc},
     volume = {66},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1962_66_a4/}
}