Chapter 2 was finished

bibliography.bib

@@ -107,4 +107,27 @@ Algorithm. Backgrounds.},
   author   = {<<Ладуга>> Инженерные услуги},
   year     = {2012},
   language = {russian}
+}
+
+@ONLINE{bib:code-aster:common,
+  url = {http://www.code-aster.org/V2/UPLOAD/DOC/Presentation/2007_nafems.pdf},
+  title    = {Free Software for Computational Mechanics: EDF’s Choice},
+  author   = {Christophe Durand},
+  year     = {2007}
+}
+
+@ONLINE{bib:code-aster:presentation,
+  url    =
+{http://www.code-aster.org/V2/UPLOAD/DOC/Presentation/2008_Manchester.pdf},
+  title  = {Analyse des Structures et Thermo-m\'{e}canique pour des \'{E}tudes
+et des Recherches},
+  year   = {2007}
+}
+
+@BOOK{bib:rossum,
+  author   = {Г.~Россум and Ф.~Л.~Дж.~Дрейк and Д.~С.~Откидач},
+  title    = {Язык программирования Python},
+  year     = {2001},
+  pages    = {454},
+  language = {russian}
 }