TY - JOUR AU - Józef Wenety Myjak TI - A boundary value problem for non-linear differential equations with a retarded argument JO - Annales Polonici Mathematici PY - 1972 SP - 133 EP - 142 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-27-2-133-142/ DO - 10.4064/ap-27-2-133-142 LA - en ID - 10_4064_ap_27_2_133_142 ER -