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10 0 Difficulty solving some second order differential equations ( 2013-05-31 15:40:21 +0200 )
2 0 Difficulty solving some second order differential equations ( 2013-05-31 15:26:04 +0200 )
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.