TY  - JOUR
AU  - B. Dittmar
AU  - A. Yu. Solynin
TI  - Mixed Stekloff eigenvalue problem and new extremal properties of the Gr\"otzsch ring
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2000
SP  - 51
EP  - 79
VL  - 270
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2000_270_a2/
LA  - ru
ID  - ZNSL_2000_270_a2
ER  -