Advances in MathematicsVolume 17, Issue 1, July 1975, Pages 34-47A stability theorem for the obstacle problemAuthor links open overlay panelDavid G Schaeffer ∗Show moreShareCitehttps://doi.org/10.1016/0001-8708(75)90085-7Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)∗Research supported under NSF contract GP22927.Copyright © 1975 Published by Elsevier Inc.