@article{PismaZhETF.100.118,
    title = {Landau theory for helical nematic phases},
    author = {Kats, E. I. and Lebedev, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {100},
    issue = {2},
    pages = {118},
    year = {2014},
    doi = {10.7868/S0370274X14140082},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14140082},
}