PSI Lectures/Variational Calculus and Gaussian Integrals


 * 2011 FRONT	Evaluation of Integrals and Calculous of Variations -Denis Dalidovich
 * 2012 FRONT 	Calculus of Variation and Gaussian Integrals - Lilia Anguelova
 * 2013 FRONT 	Variational Calculus Gaussian Integrals - Denis Dalidovich