@article{700072,
     title = {Some new methods for numerical solution of initial value problems},
     booktitle = {Proceedings of Equadiff III},
     series = {GDML\_Books},
     publisher = {Univ. J. E. Purkyn\v e - P\v r\'\i rodov\v edeck\'a fakulta},
     address = {Brno},
     year = {1973},
     pages = {247-253},
     mrnumber = {MR351088},
     zbl = {0357.65048},
     url = {http://dml.mathdoc.fr/item/700072}
}

Práger, Milan; Taufer, Jiří; Vitásek, Emil. Some new methods for numerical solution of initial value problems, dans Proceedings of Equadiff III, GDML_Books,  (1973), pp. 247-253. http://gdmltest.u-ga.fr/item/700072/