TY  - JOUR
AU  - A. V. Kochergin
TI  - On mixing in special flows over a~shifting of segments and in smooth flows on surfaces
JO  - Sbornik. Mathematics
PY  - 1975
SP  - 441
EP  - 469
VL  - 25
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1975_25_3_a6/
LA  - en
ID  - SM_1975_25_3_a6
ER  -