@article{TAM_1986_12_1_a9,
     author = {G. A. Leonov and R. I. Alidema},
     title = {On global stability of double and connected pendulums},
     journal = {Theoretical and applied mechanics},
     pages = {79 },
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1986_12_1_a9/}
}