@article{IIMI_2022_59_a6,
     author = {V. I. Sumin and M. I. Sumin},
     title = {On regularization of the {Lagrange} principle in the optimization problems for linear distributed {Volterra} type systems with operator constraints},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {85--113},
     publisher = {mathdoc},
     volume = {59},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2022_59_a6/}
}