@article{01246362, title = {On oscillatory properties of an }, journal = {Memoirs on Differential Equations and Mathematical Physics}, volume = {15}, year = {1998}, pages = {132-135}, zbl = {0918.34070}, language = {en}, url = {http://dml.mathdoc.fr/item/01246362} }
Giorgadze, G. On oscillatory properties of an . Memoirs on Differential Equations and Mathematical Physics, Tome 15 (1998) pp. 132-135. http://gdmltest.u-ga.fr/item/01246362/