@article{PORMA_1982__41_1-4_115515,
     author = {Rodrigues, Jos\'e Francisco},
     title = {On the stability of the free boundary in the obstacle problem for a minimal surface},
     journal = {Portugaliae mathematica},
     pages = {463--480},
     publisher = {mathdoc},
     volume = {41},
     number = {1-4},
     year = {1982},
     mrnumber = {0766871},
     zbl = {0554.49002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115515/}
}