TY  - JOUR
AU  - F. G. Avkhadiev
TI  - Estimates of Hardy--Rellich constants   for polyharmonic operators  and their generalizations
JO  - Ufa mathematical journal
PY  - 2017
SP  - 8
EP  - 17
VL  - 9
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UFA_2017_9_3_a1/
LA  - en
ID  - UFA_2017_9_3_a1
ER  -