@article{MZM_2004_76_5_a10,
     author = {V. P. Maslov},
     title = {Zeroth-Order {Phase} {Transitions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {748--761},
     year = {2004},
     volume = {76},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_76_5_a10/}
}