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@article{IVM_2008_1_a6, author = {M. I. Sumin and E. V. Trushina}, title = {On the regularizing properties of the {Pontryagin} maximum principle}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {63--77}, publisher = {mathdoc}, number = {1}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2008_1_a6/} }
M. I. Sumin; E. V. Trushina. On the regularizing properties of the Pontryagin maximum principle. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (2008), pp. 63-77. http://geodesic.mathdoc.fr/item/IVM_2008_1_a6/