@article{10_14736_kyb_2022_2_0254, author = {Mart{\'\i}nez S\'anchez, Jaime and Baltazar-Larios, Fernando}, title = {Approximations of the ultimate ruin probability in the classical risk model using the {Banach's} fixed-point theorem and the continuity of the ruin probability}, journal = {Kybernetika}, pages = {254--276}, publisher = {mathdoc}, volume = {58}, number = {2}, year = {2022}, doi = {10.14736/kyb-2022-2-0254}, mrnumber = {4467496}, zbl = {07584156}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.14736/kyb-2022-2-0254/} }