@article{DANMA_2020_493_a19,
     author = {A. G. Kushner and V. V. Lychagin and M. Roop},
     title = {Contact geometry in optimal control of thermodynamic processes for gases},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {99--103},
     year = {2020},
     volume = {493},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2020_493_a19/}
}