TY  - JOUR
AU  - M. N. Araslanov
AU  - Yu. L. Daletskii
TI  - Composite logarithm in the class of formal operator power series
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1992
SP  - 57
EP  - 60
VL  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1992_26_2_a8/
LA  - ru
ID  - FAA_1992_26_2_a8
ER  -