Ragusa M.A.

Bulletin of Mathematical Sciences. World Scientific Publishing Co. Pte Ltd. 2018.

Ricerche di Matematica. Springer-Verlag Italia s.r.l.. 2018. С. 1-14

Calculus of Variations and Partial Differential Equations. Springer New York LLC. Том 56. 2017.

Zeitschrift fur Angewandte Mathematik und Physik. Birkhauser Verlag AG. Том 68. 2017.

AIMS MATHEMATICS. AMER INST MATHEMATICAL SCIENCES-AIMS. Том 2. 2017.

Set-Valued Analysis. Том 25. 2017. С. 807-828