@article{ND_2011_7_4_a6,
     author = {V. N. Belotelov},
     title = {The problem of determining the inclination angle of a pendulum on a cylinder},
     journal = {Russian journal of nonlinear dynamics},
     pages = {837--844},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2011_7_4_a6/}
}