Roger Valid has written:
'The nonlinear theory of shells through variational principles' -- subject(s): Variational principles, Nonlinear theories, Shells (Engineering)
'The principle of virtual work and associated variational principles' -- subject(s): Shell theory, Structural analysis, Continuum mechanics, Variational principles
Roger has written: 'Essay on government'
Roger Smadja has written: 'Promenade'
Roger Duguay has written: 'L'echafaud'
Roger Pascal has written: 'Filanjana'
Roger Day has written: 'Oasis'
Roger Gosselin has written: 'Mirabel'
Roger Sauter has written: 'Transparences'
Roger Marconnet has written: 'Beaune'
Roger Scott has written: 'Downfall'
Roger Millar has written: 'Silversmith'
Roger Devenish has written: 'Into life'
Roger Chisholm has written: 'Principles of macroeconomics'