@article{AM_1998_148_3_a7,
     author = {Hing Sun Luk and Stephen S.-T. Yau},
     title = {Counterexample to boundary regularity of a strongly pseudoconvex {CR} submanifold: {An} addendum to the paper of {Harvey-Lawson}},
     journal = {Annals of mathematics},
     publisher = {mathdoc},
     volume = {148},
     number = {3},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/AM_1998_148_3_a7/}
}