Naveen Kumar. (2005). Elementary course on variational problems in calculus (1st.). Narosa.
シカゴスタイル引用形Naveen Kumar. Elementary Course on Variational Problems in Calculus. 1st. New Delhi: Narosa, 2005.
MLA引用形式Naveen Kumar. Elementary Course on Variational Problems in Calculus. 1st. Narosa, 2005.
警告: この引用は必ずしも正確ではありません.