Ragusa M.A.

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

Results in Mathematics. Birkhauser Verlag AG. Том 73. 2018.

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

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

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

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