TY  - JOUR
AU  - Kojecký, Tomáš
TI  - Some functions of eigenvalues of normal operator
JO  - Applications of Mathematics
PY  - 1990
SP  - 356
EP  - 360
VL  - 35
IS  - 5
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1990.104417/
DO  - 10.21136/AM.1990.104417
LA  - en
ID  - 10_21136_AM_1990_104417
ER  -