@article{SM_2005_196_8_a2,
     author = {G. L. Kharatishvili and T. A. Tadumadze},
     title = {Variation formulae for the solutions of delay differential equations with discontinuous initial conditions},
     journal = {Sbornik. Mathematics},
     pages = {1137--1163},
     publisher = {mathdoc},
     volume = {196},
     number = {8},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2005_196_8_a2/}
}