TY  - JOUR
AU  - E. I. Stepanova
TI  - Bifurcations of Steiner minimal trees and minimal fillings for non-convex four-point boundaries and Steiner subratio for the Euclidean plane
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2016
SP  - 48
EP  - 51
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2016_2_a8/
LA  - ru
ID  - VMUMM_2016_2_a8
ER  -