@article{10_4064__27_1_137_140,
     author = {Yuri Egorov},
     title = {Removable singularities in the boundary conditions},
     journal = {Banach Center Publications},
     pages = {137--140},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1992},
     doi = {10.4064/-27-1-137-140},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/-27-1-137-140/}
}