Boudjema-Bouloudenine, M.; Boudjedaa, T. Schwinger method for 3-dimensional time dependent quadratic systems. (English) Zbl 1141.81013 Int. J. Theor. Phys. 47, No. 5, 1156-1172 (2008). MSC: 81R15 70H15 49S05 78A35 PDFBibTeX XMLCite \textit{M. Boudjema-Bouloudenine} and \textit{T. Boudjedaa}, Int. J. Theor. Phys. 47, No. 5, 1156--1172 (2008; Zbl 1141.81013) Full Text: DOI
Boudjema-Bouloudenine, M.; Boudjedaa, T.; Makhlouf, A. Schwinger action principle via linear quantum canonical transformations. (English) Zbl 1191.81145 Eur. Phys. J. C, Part. Fields 46, No. 3, 807-816 (2006). MSC: 81S30 PDFBibTeX XMLCite \textit{M. Boudjema-Bouloudenine} et al., Eur. Phys. J. C, Part. Fields 46, No. 3, 807--816 (2006; Zbl 1191.81145) Full Text: DOI