@article{TMF_1995_105_2_a5,
     author = {V. A. Slobodenyuk},
     title = {Asymptotic of expansion of the evolution operator kernel in powers of time interval~$\Delta t$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {246--255},
     publisher = {mathdoc},
     volume = {105},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1995_105_2_a5/}
}