@article{JRAM_1984__348_152614,
     author = {Abderrahman Boukricha},
     title = {Stabilit\'e des propri\'et\'es de convergence par perturbation des espaces harmoniques.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {147--165},
     publisher = {mathdoc},
     volume = {348},
     year = {1984},
     zbl = {0522.31014},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1984__348_152614/}
}