@article{10_4064_ap_23_1_25_36,
     author = {Z. Miko{\l}ajska},
     title = {Sur l'existence d'une solution p\'eriodique d'une \'equation diff\'erentielle du premier ordre avec le param\`etre retarde\'e},
     journal = {Annales Polonici Mathematici},
     pages = {25--36},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1970},
     doi = {10.4064/ap-23-1-25-36},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-23-1-25-36/}
}