@article{GMJ_1996__3_6_47680, author = {Partsvania, N.}, title = {On oscillation of solutions of second-order systems of deviated differential equations.}, journal = {Georgian Mathematical Journal}, pages = {571--582}, publisher = {mathdoc}, volume = {3}, number = {6}, year = {1996}, zbl = {0868.34054}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_1996__3_6_47680/} }