HARDY–LITTLEWOOD AND PITT'S INEQUALITIES FOR HAUSDORFF OPERATORS ArticleDyachenko M., Nursultanov E., Tikhonov S.Bulletin des Sciences Mathematiques. Том 147. 2018. С. 40-57
CAUCHY-GELFAND PROBLEM FOR QUASILINEAR CONSERVATION LAW ArticleHenkin G.M., Shananin A.A.Bulletin des Sciences Mathematiques. Том Vol 38. 2014. С. 783-804