@article{PismaZhETF.52.888,
    title = {New conformal theories, k=4 magic level, and integrable models},
    author = {Belov, A. A. and Lozovik, Yu. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {5},
    pages = {888},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17488.shtml},
}