A UNIQUENESS CONDITION FOR NONTRIVIAL PERIODIC SOLUTIONS TO THE LIENARD EQUATION Open PDF Document Details Document Type Technical Report Publication Date Apr 01, 1963 Accession Number AD0401222 Entities People T. A. Brown Organizations RAND Corporation Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Air Force California Contracts Differential Equations Equations Formulas (Mathematics) Government Procurement Governments Mathematics Procurement Real Numbers United States