%0 Journal Article
%A V. I. Lotov
%T Exact formulas in~some boundary crossing problems

%J Izvestiya. Mathematics 
%D 2023
%P 45-60
%V 87
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2023_87_1_a2/
%G en
%F IM2_2023_87_1_a2