@article{PismaZhETF.112.539,
    title = {Vielbein with mixed dimensions and gravitational global monopole in the  planar phase of superfluid $^{\bf3}$He},
    author = {Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {112},
    issue = {8},
    pages = {539},
    year = {2020},
    doi = {10.31857/S1234567820200070},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567820200070},
}