@article{VUU_2017_27_2_a1,
     author = {A. A. Gorshkov and M. I. Sumin},
     title = {Regularization of the {Pontryagin} maximum principle in the problem of optimal boundary control for a parabolic equation with state constraints in {Lebesgue} spaces},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {162--177},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2017_27_2_a1/}
}