@article{EMJ_2012_3_2_a9,
     author = {L. K. Kussainova},
     title = {On oscillation of two terms linear differential equation with alternating potential},
     journal = {Eurasian mathematical journal},
     pages = {135--140},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2012_3_2_a9/}
}