@article{DAN_1973_210_6_a12,
     author = {V. I. Shevchenko},
     title = {On elliptic systems of three equations in four independent variables},
     journal = {Doklady Akademii Nauk},
     pages = {1300--1302},
     publisher = {mathdoc},
     volume = {210},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_6_a12/}
}