1. A mathematical theory of lateral sensory inhibition

   • Bernard D. Coleman

   OriginalPaper Pages: 79 - 100

2. Symplectic approach to the theory of quantized fields. II

   • P. L. García
   • A. Pérez-Rendón

   OriginalPaper Pages: 101 - 124

3. A constructive approach to one-parameter semi-groups of operators in Hilbert space

   • J. de Graaf

   OriginalPaper Pages: 125 - 153

4. Stability of bifurcating solutions by Leray-Schauder degree

   • D. H. Sattinger

   OriginalPaper Pages: 154 - 166