@article{IVM_2015_7_a3,
     author = {A. V. Lapin and D. G. Zalyalov},
     title = {Penalty method for the state equation for an elliptical optimal control problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {36--48},
     publisher = {mathdoc},
     number = {7},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2015_7_a3/}
}