%0 Journal Article %A V. Z. Grines %A O. V. Pochinka %T On the Simple Isotopy Class of a Source--Sink Diffeomorphism on the $3$-Sphere %J Matematičeskie zametki %D 2013 %P 828-845 %V 94 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2013_94_6_a3/ %G ru %F MZM_2013_94_6_a3