@article{10_21136_AM_1967_103063,
     author = {Hlav\'a\v{c}ek, Ivan},
     title = {Derivation of non-classical variational principles in the theory of elasticity},
     journal = {Applications of Mathematics},
     pages = {15--29},
     year = {1967},
     volume = {12},
     number = {1},
     doi = {10.21136/AM.1967.103063},
     mrnumber = {0214324},
     zbl = {0163.19201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1967.103063/}
}