@article{AFM_2022_47_2_a4, author = {Divya Goel and Vicen\c{t}iu D. R\u{a}dulescu and Konijeti Sreenadh}, title = {Variational framework and {Lewy-Stampacchia} type estimates for nonlocal operators on {Heisenberg} group}, journal = {Annales Fennici Mathematici}, pages = {707--721}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {2022}, doi = {10.54330/afm.116794}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.54330/afm.116794/} }