Symplectic approach to the theory of quantized fields. II P. L. GarcíaA. Pérez-Rendón OriginalPaper Pages: 101 - 124
A constructive approach to one-parameter semi-groups of operators in Hilbert space J. de Graaf OriginalPaper Pages: 125 - 153
Stability of bifurcating solutions by Leray-Schauder degree D. H. Sattinger OriginalPaper Pages: 154 - 166