Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Yury A. Grigoryev"'
Publikováno v:
Hygiene and sanitation. 96:861-867
Retrospectively, from the 60s of the last century to the present time, coordinated approaches have been considered in our country and in the United States in addressing the issues of ensuring radiation safety and radiation rating of short-term space
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41181b372ecb9a263e1eac0402a6957f
https://doi.org/10.18821/0016-9900-2017-96-9-861-867
https://doi.org/10.18821/0016-9900-2017-96-9-861-867
Autor:
O. I. Baran, Yury A. Grigoryev
Publikováno v:
Hygiene and sanitation. 97:591-596
Introduction. Life expectancy is the most important medico-demographic indicator, closely related to the social and economic conditions of the life of the population. Material and methods. Statistical data for the work was obtained on websites of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23489ee05e42e0a61632c25136abd8c8
https://doi.org/10.18821/0016-9900-2018-97-7-591-596
https://doi.org/10.18821/0016-9900-2018-97-7-591-596
Publikováno v:
Symmetry, Integrability and Geometry: Methods and Applications.
We show that some modern geometric methods of Hamiltonian dynamics can be directly applied to the nonholonomic Heisenberg type systems. As an example we present characteristic Killing tensors, compatible Poisson brackets, Lax matrices and classical $
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c4e62001fce95974ce7e648f3198d33
https://doi.org/10.3842/sigma.2016.112
https://doi.org/10.3842/sigma.2016.112