TY - JOUR AU - Yuri Egorov TI - Removable singularities in the boundary conditions JO - Banach Center Publications PY - 1992 SP - 137 EP - 140 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/-27-1-137-140/ DO - 10.4064/-27-1-137-140 LA - en ID - 10_4064__27_1_137_140 ER -