@article{AUCMP_1974__15_1-2_a13,
     author = {Janovsk\'y, V.},
     title = {Hybrid variational principles and their use in the finite element method},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {59--61},
     publisher = {mathdoc},
     volume = {15},
     number = {1-2},
     year = {1974},
     mrnumber = {0386306},
     zbl = {0326.73066},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1974__15_1-2_a13/}
}