TY  - JOUR
AU  - Viacheslav V. Nikulin
TI  - Classification of Degenerations of Codimension ${\le }\,5$ and Their Picard Lattices for K\"ahlerian K3 Surfaces with the Symplectic Automorphism Group $(C_2)^2$
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2023
SP  - 189
EP  - 242
VL  - 320
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_2023_320_a8/
LA  - ru
ID  - TM_2023_320_a8
ER  -