TY  - JOUR
AU  - Gelbukh, Irina
TI  - Morse-Bott functions with two critical values on a surface
JO  - Czechoslovak Mathematical Journal
PY  - 2021
SP  - 865
EP  - 880
VL  - 71
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0125-20/
DO  - 10.21136/CMJ.2021.0125-20
LA  - en
ID  - 10_21136_CMJ_2021_0125_20
ER  -