@article{4a9975dca37c4421a8983ef5fbb1693a,
title = "SYMMETRY IN THE SYSTEM OF TWO BLOCKS CONNECTED BY A STRING WITH VARIABLE TENSION",
keywords = "Newtonian mechanics",
author = "{Jos{\'e} Herm{\'a}n Mu{\~n}oz {\~N}ungo} and {David Benitez Mojica} and {Herrera Su{\'a}rez}, {Hern{\'a}n Javier}",
year = "2019",
month = dec,
day = "12",
language = "Ingl{\'e}s",
volume = "36",
pages = "139",
journal = "Revista Cubana de Fisica",
issn = "0253-9268",
publisher = "Universidad de La Habana",
number = "139",
}