TY - JOUR AU - Sficas, Y. G. TI - Strongly Monotone Solutions of Retarded Differential Equations JO - Canadian mathematical bulletin PY - 1979 SP - 403 EP - 412 VL - 22 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-053-4/ DO - 10.4153/CMB-1979-053-4 ID - 10_4153_CMB_1979_053_4 ER -