@inproceedings{f3a28e7306584197a103782b21377bbd,
title = "Unique normal form of the Hamiltonian 1:2 resonance",
author = "J.A. Sanders and {Meer, van der}, J.C.",
year = "1992",
language = "English",
series = "Pitman Research Notes in Mathematics Series",
publisher = "Longman",
pages = "56--69",
editor = "H.W. Broer and F. Takens",
booktitle = "Geometry and Analysis in Nonlinear Dynamics (Proceedings of the Conference on Chaotic Dynamics and Bifurcations, Groningen, The Netherlands, March 1991)",
}