@article{10_4064_ap_22_1_37_47,
     author = {K. Zima},
     title = {Sur un syst\`eme d'\'equations diff\'erentielles avec d\'eriv\'ee \`a gauche},
     journal = {Annales Polonici Mathematici},
     pages = {37--47},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1969},
     doi = {10.4064/ap-22-1-37-47},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-22-1-37-47/}
}