@article{M2AN_2020__54_3_751_0, author = {Cusimano, Nicole and del Teso, F\'elix and Gerardo-Giorda, Luca}, title = {Numerical approximations for fractional elliptic equations \protect\emph{via} the method of semigroups}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {751--774}, publisher = {EDP-Sciences}, volume = {54}, number = {3}, year = {2020}, doi = {10.1051/m2an/2019076}, mrnumber = {4080918}, zbl = {1452.35237}, language = {en}, url = {http://www.numdam.org/articles/10.1051/m2an/2019076/} }