11 citations to https://www.mathnet.ru/rus/sm693

A. E. Zernov, Yu. V. Kuzina, “Qualitative analysis of the Cauchy problem $F(t,x,x')=0 , x(0)=0$”, J. Math. Sci. (N.Y.), 145:5 (2007), 5228–5236 ; Sovrem. Mat. Prilozh., 2005, no. 36, 78–85