HARDY–LITTLEWOOD AND PITT'S INEQUALITIES FOR HAUSDORFF OPERATORS Article Dyachenko M., Nursultanov E., Tikhonov S. Bulletin des Sciences Mathematiques. Elsevier Masson SAS. Vol. 147. 2018. P. 40-57
CAUCHY-GELFAND PROBLEM FOR QUASILINEAR CONSERVATION LAW Article Henkin G.M., Shananin A.A. Bulletin des Sciences Mathematiques. Elsevier Masson SAS. Vol. Vol 38. 2014. P. 783-804