TY  - BOOK
AU  - Krat, V. A.
TI  - On the possible directions of evolutionary trends of stars on the H-R diagram
T2  - ˆ[‰Papers
VL  - 9]
PY  - 1958///
CY  - M.
KW  - Москва
N2  - Библиогр.: с. 7
ER  -