@article{PismaZhETF.22.598,
    title = {Dynamic description of low-energy $\pi$ N scattering},
    author = {Gaisak, M. I. and Lend'el, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {22},
    issue = {11},
    pages = {598},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23411.shtml},
}