%0 Journal Article
%A S. Mori
%A Yu. G. Prokhorov
%T General elephants for threefold extremal contractions with one-dimensional fibres: exceptional case
%J Sbornik. Mathematics
%D 2021
%P 351-373
%V 212
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2021_212_3_a6/
%G en
%F SM_2021_212_3_a6