A REGULARITY CRITERION OF WEAK SOLUTIONS TO THE 3D BOUSSINESQ EQUATIONS Статья Alghamdi A.M., Gala S., Ragusa M.A. AIMS MATHEMATICS. AMER INST MATHEMATICAL SCIENCES-AIMS. Том 2. 2017.
ON FIXED POINTS OF CONTRACTION MAPS ACTING IN (Q(1), Q(2))-QUASIMETRIC SPACES AND GEOMETRIC PROPERTIES OF THESE SPACES Статья Sengupta R. Eurasian Mathematical Journal. Eurasian Mathematical Journal. Том 8. 2017. С. 70-76