New developments in differential equations : Proceedings of the Second Scheveningen Conference on Differential Equations, The Netherlands, August 25-29, 1975 - Scheveningen Conference on Differential Equations 1975 Aug 25-29 : The Netherlands); Eckhaus, Wiktor (Amsterdam : North-Holland, 1976)
Keywords: Differential equations -- Congresses; Nonlinear theories -- Congresses