%0 Journal Article %A Heintze, Ernst %A Karcher, Hermann %T A general comparison theorem with applications to volume estimates for submanifolds %J Annales scientifiques de l'École Normale Supérieure %D 1978 %P 451-470 %V 11 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.24033/asens.1354/ %R 10.24033/asens.1354 %G en %F ASENS_1978_4_11_4_451_0