TY - GEN AU - Wassermann,Gordon TI - Stability of unfoldings T2 - Lecture notes in mathematics SN - 0387067949 (New York) U1 - 510/.8 s514/.7 PY - 1974/// CY - Berlin, New York PB - Springer-Verlag KW - Differentiable mappings KW - Singularities (Mathematics) N1 - Cuprinde bibliografie ER -