@article{PismaZhETF.101.851,
    title = {Surface 2$\boldsymbol{\pi}$-walls in polar free-standing  smectic films},
    author = {Dolganov, P. V. and Dolganov, V. K. and Fukuda, A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {101},
    issue = {11},
    pages = {851},
    year = {2015},
    doi = {10.7868/S0370274X15110077},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15110077},
}