-#LyX file created by tex2lyx 2.1.0dev
-\lyxformat 470
+#LyX file created by tex2lyx 2.2
+\lyxformat 495
\begin_document
\begin_header
+\origin roundtrip
\textclass article
\begin_preamble
\usepackage{babel}
\use_package stmaryrd 0
\use_package undertilde 0
\cite_engine basic
-\cite_engine_type numerical
+\cite_engine_type default
\biblio_style plain
\use_bibtopic false
\use_indices false