@article{DE_1969_5_4_a14,
     author = {A. F. Klement'ev},
     title = {A remark on the stability of two-point {pseudo-Runge{\textendash}Kutta} methods},
     journal = {Differencialʹnye uravneni\^a},
     pages = {751--752},
     year = {1969},
     volume = {5},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_4_a14/}
}