Berkovič, L. M.; Izobov, N. A.; Ilʹin, V. A.; Kiguradze, I. T.; Pliss, V. A.; Rozov, N. H.Otakar Boruvka (Obituary)(English).Differential Equations 31, 1995, 10, 1744-1745 [translated from Russian edition]
Berkovič, L. M.; Izobov, N. A.; Ilʹin, V. A.; Kiguradze, I. T.; Pliss, V. A.; Rozov, N. H.Отакар Борувка(Russian).Дифференциалчные уравнения том 31, № 10, 1995, 1770-1771
Berkovič, L. M.: Transformations and factorisation of ordinary nonlinear differential equations.
(English).
In:
Greguš, Michal (ed.): Equadiff 5.
Proceedings of the Fifth Czechoslovak Conference on Differential Equations and Their Applications held in Bratislava, August 24-28, 1981.
BSB B.G. Teubner Verlagsgesellschaft, Leipzig, 1982.
pp. 41-44