@article{TIMM_2019_25_1_a20,
     author = {M. I. Sumin},
     title = {Regularized {Lagrange} principle and {Pontryagin} maximum principle in optimal control and in inverse problems},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {279--296},
     year = {2019},
     volume = {25},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2019_25_1_a20/}
}