@article{TMF_1991_87_3_a0,
     author = {S. Yu. Dobrokhotov and V. N. Kolokoltsov and V. P. Maslov},
     title = {Splitting of the lowest energy levels of the {Schr\"odinger} equation and asymptotic behavior of the fundamental solution of the equation $hu_t=h^2\Delta u/2-V(x)u$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {323--375},
     publisher = {mathdoc},
     volume = {87},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1991_87_3_a0/}
}