@article{MZM_1967_1_3_a14,
     author = {S. S. Khloponin},
     title = {The convergence of continued fractions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {355--364},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_3_a14/}
}