@article{ITA_1996__30_2_123_0, author = {Book, Ronald V. and Mayordomo, Elvira}, title = {On the robustness of {ALMOST-}$\mathcal {R}$ }, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, pages = {123--133}, publisher = {EDP-Sciences}, volume = {30}, number = {2}, year = {1996}, mrnumber = {1420687}, zbl = {0860.68049}, language = {en}, url = {http://www.numdam.org/item/ITA_1996__30_2_123_0/} }