@article{TMF_2000_125_1_a2,
     author = {M. Kh. Shermatov},
     title = {Point interaction of two distinguishable particles in an external field},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {74--90},
     year = {2000},
     volume = {125},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2000_125_1_a2/}
}