TY - JOUR AU - G. L. Kharatishvili AU - T. A. Tadumadze TI - Variation formulae for the solutions of delay differential equations with discontinuous initial conditions JO - Sbornik. Mathematics PY - 2005 SP - 1137 EP - 1163 VL - 196 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2005_196_8_a2/ LA - en ID - SM_2005_196_8_a2 ER -