TY - JOUR UR - http://publicatio.bibl.u-szeged.hu/31086/ SN - 1450-5444 TI - Positive Solutions of Neutral Delay Differential Equation A1 - Péics Hajnalka A1 - Karsai János ID - publicatio31086 SP - 95 JF - NOVI SAD JOURNAL OF MATHEMATICS EP - 108 AV - restricted VL - 32 Y1 - 2002/// ER -