@article{TMF_1997_110_2_a6,
     author = {T. I. Kopaleishvili and E. Z. Lipartia and A. G. Rusetsky},
     title = {On retardation effect in the formfactor of two-particle bound state},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {272--290},
     publisher = {mathdoc},
     volume = {110},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1997_110_2_a6/}
}