@article{MZM_1989_45_5_a5,
     author = {V. P. Maslov and M. V. Fedoryuk},
     title = {Logarithmic asymptotic of rapidly decreasing solutions of {Petrovskii} hyperbolic equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {50--62},
     publisher = {mathdoc},
     volume = {45},
     number = {5},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a5/}
}