@article{03933507,
title = {On the existence of solutions of the singular Cauchy problem for systems of differential equations not solved with respect to the derivatives.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {37(51)},
year = {1985},
pages = {73-80},
zbl = {0583.34005},
language = {en},
url = {http://dml.mathdoc.fr/item/03933507}
}
Diblík, Jozef. On the existence of solutions of the singular Cauchy problem for systems of differential equations not solved with respect to the derivatives.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 37(51) (1985) pp. 73-80. http://gdmltest.u-ga.fr/item/03933507/