@article{VUU_2013_1_a5,
     author = {D. V. Khlopin},
     title = {On necessary boundary conditions for strongly optimal control in infinite horizon control problems},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {49--58},
     year = {2013},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_1_a5/}
}