@article{PismaZhETF.15.544,
    title = {Separable Expansion of Three-particle Amplitudes},
    author = {Gal'pern, E. S. and Lyakhovitskii, V. N. and Narodetskii, I. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {9},
    pages = {544},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26654.shtml},
}