@article{PismaZhETF.19.772,
    title = {Description of low-energy $\pi$ N scattering in a nonlinear chiral Lagrangian},
    author = {Gaisak, M. I. and Lend'el, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {12},
    pages = {772},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27145.shtml},
}