@article{PismaZhETF.52.1170,
    title = {General deformations of coset models and Grassmann manifolds},
    author = {Belov, A. A. and Lozovik, Yu. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {10},
    pages = {1170},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17566.shtml},
}