@article{10_21136_AM_1973_103498,
     author = {Janovsk\'y, Vladim{\'\i}r},
     title = {Elliptic boundary value problems with nonvariational perturbation and the finite element method},
     journal = {Applications of Mathematics},
     pages = {422--433},
     publisher = {mathdoc},
     volume = {18},
     number = {6},
     year = {1973},
     doi = {10.21136/AM.1973.103498},
     mrnumber = {0334549},
     zbl = {0281.35007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103498/}
}