@article{GMJ_1997__4_3_47738,
     author = {Kiguradze, I. and Sokhadze, Z.},
     title = {On singular functional differential inequalities.},
     journal = {Georgian mathematical journal},
     pages = {259--278},
     year = {1997},
     volume = {4},
     number = {3},
     zbl = {0876.34073},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1997__4_3_47738/}
}