TY  - JOUR
AU  - V. I. Lotov
TI  - Exact formulas in~some boundary crossing problems

JO  - Izvestiya. Mathematics 
PY  - 2023
SP  - 45
EP  - 60
VL  - 87
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2023_87_1_a2/
LA  - en
ID  - IM2_2023_87_1_a2
ER  -