<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">F. Haas</style></author><author><style face="normal" font="default" size="100%">J. Goedert</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Completely integrable Ermakov systems</style></title><secondary-title><style face="normal" font="default" size="100%">I Encontro Brasileiro de Física dos Plasmas</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1991</style></year></dates><urls><related-urls><url><style face="normal" font="default" size="100%">https://professor.ufrgs.br/sites/default/files/fernando-haas/files/completely_integrable.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Anais do I Encontro Brasileiro de Física dos Plasmas, v. 2</style></publisher><pub-location><style face="normal" font="default" size="100%">Santos</style></pub-location><pages><style face="normal" font="default" size="100%">173</style></pages></record></records></xml>