@article{10_2298_TAM200315011S,
     author = {Hamid Said},
     title = {An analytical mechanics approach to the first law of thermodynamics and construction of a variational hierarchy},
     journal = {Theoretical and applied mechanics},
     pages = {1 },
     year = {2021},
     volume = {48},
     number = {1},
     doi = {10.2298/TAM200315011S},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM200315011S/}
}