@article{TRSPY_1987_180_a85,
     author = {Kh. Kuchmins'ka},
     title = {On convergence of two-dimensional continued fractions},
     journal = {Informatics and Automation},
     pages = {147--148},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a85/}
}