@article{TRSPY_1995_211_a3,
     author = {A. V. Bogatyrev and E. S. Pyatnitskii},
     title = {Necessary optimality conditions in terms of generalized {Hamilton--Jacobi--Bellman} equations with phase constraints},
     journal = {Informatics and Automation},
     pages = {62--80},
     publisher = {mathdoc},
     volume = {211},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1995_211_a3/}
}