@article{UFA_2015_7_3_a5,
     author = {Yu. N. Drozhzhinov and B. I. Zavialov},
     title = {Comparison {Tauberian} theorems and hyperbolic operators with constant coefficients},
     journal = {Ufa mathematical journal},
     pages = {47--53},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2015_7_3_a5/}
}