On the range of nonlinear operators with linear asymptotes which are not invertible
Djairo Guedes de Figueiredo (1974)
Commentationes Mathematicae Universitatis Carolinae
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Djairo Guedes de Figueiredo (1974)
Commentationes Mathematicae Universitatis Carolinae
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Jaroslav Haslinger (1976)
Commentationes Mathematicae Universitatis Carolinae
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Ivo Babuška (1970)
Commentationes Mathematicae Universitatis Carolinae
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