TY - BOOK AU - Grisvard P ed. ED - Conference on Singularities and Constructive Methods for their treatment( 1984 : Berlin ) ED - TI - Singularities and constructive methods for their Treatment: proceedings U1 - 516.362 PY - 1985/// CY - Berlin PB - Springer Verlag KW - Geometry KW - Singularities ER -