FINITE TIME BLOW-UP FOR DAMPED WAVE EQUATIONS WITH SPACE–TIME DEPENDENT POTENTIAL AND NONLINEAR MEMORY Статья Dannawi I., Kirane M., Fino A.Z. Nonlinear Differential Equations and Applications. Birkhauser Verlag AG. Том 25. 2018.
CAFFARELLI–KOHN–NIRENBERG AND SOBOLEV TYPE INEQUALITIES ON STRATIFIED LIE GROUPS Статья Ruzhansky M., Suragan D., Yessirkegenov N. Nonlinear Differential Equations and Applications. Birkhauser Verlag AG. Том 24. 2017.