@book{MSM_1956__133__1_0, author = {Heilbronn, Georges}, title = {Int\'egration des \'equations diff\'erentielles ordinaires par la m\'ethode de {Drach}}, series = {M\'emorial des sciences math\'ematiques}, publisher = {Gauthier-Villars}, number = {133}, year = {1956}, zbl = {0071.29801}, mrnumber = {84648}, language = {fr}, url = {http://archive.numdam.org/item/MSM_1956__133__1_0/} }