TY - JOUR AU - Parhi, N. AU - Chand, Sunita TI - On forced first order neutral differential equations with positive and negative coefficients JO - Mathematica slovaca PY - 2000 SP - 81 EP - 94 VL - 50 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_2000__50_1_a7/ LA - en ID - MASLO_2000__50_1_a7 ER -