TY - JOUR AU - I.A. Ahmad AU - S.G. Kochar TI - Testing Whether F is More IFR than G . JO - Metrika PY - 1990 SP - 45 EP - 58 VL - 37 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1990__37_3-4_176269/ ID - MET_1990__37_3-4_176269 ER -