TY  - JOUR
AU  - A. M. Tropin
TI  - On the bifurcation of the solution of the Fermat--Steiner problem under $1$-parameter variation of the boundary in $H(\mathbb{R}^2)$
JO  - Čebyševskij sbornik
PY  - 2021
SP  - 265
EP  - 288
VL  - 22
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CHEB_2021_22_4_a13/
LA  - ru
ID  - CHEB_2021_22_4_a13
ER  -