A. Kratochvíl

Gradient methods for the construction of Ljusternik-Schnirelmann critical values

Alexander Kratochvíl, Jindřich Nečas, J. Necas, 1980 .

Kačanov - Galerkin method and its application

Jindřich Nečas, J. Necas, S. Fučík, 1974 .