@article{DAN_1980_251_2_a5,
     author = {A. G. Kusraev and S. S. Kutateladze},
     title = {Rockafellar convolution and a characterization of optimal trajectories},
     journal = {Doklady Akademii Nauk},
     pages = {280--283},
     publisher = {mathdoc},
     volume = {251},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_2_a5/}
}