@article{TMF_1998_114_2_a1,
     author = {V. P. Maslov and O. Yu. Shvedov},
     title = {Initial conditions in quasi-classical field theory},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {233--249},
     publisher = {mathdoc},
     volume = {114},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1998_114_2_a1/}
}