@article{ISU_2020_20_4_a3,
     author = {V. P. Kurdyumov and A. P. Khromov and V. A. Khalova},
     title = {Mixed problem for a homogeneous wave equation with a nonzero initial velocity and a summable potential},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {444--456},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2020_20_4_a3/}
}