@article{TRSPY_1973_132_a5,
     author = {I. I. Pyatetskii-Shapiro and I. R. Shafarevich},
     title = {The arithmetics of surfaces of type {{\CYRK}{\CYRZ}}},
     journal = {Informatics and Automation},
     pages = {44--54},
     publisher = {mathdoc},
     volume = {132},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_132_a5/}
}