@article{TMF_1970_3_2_a1,
     author = {D. I. Blokhintsev and R. P. Zaikov},
     title = {Spectral representation of the two-point functions for fields describing composite particles},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {166--170},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1970_3_2_a1/}
}