@article{ND_2016_12_3_a7,
     author = {N. N. Nekhoroshev},
     title = {Monodromy of the fibre with oscillatory singular point of type $1:(-2)$},
     journal = {Russian journal of nonlinear dynamics},
     pages = {413--541},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2016_12_3_a7/}
}