Указатель литературы

1. Ко si rev N. Note on the Depth of Sunspots//Poulkovo Observatory Circular. 1933. N 6. P. 3—9.

1. D u f а у J. С. B. La temperature de couleur et la courbe d'energie de l'etoile P Cygni//Publications de L'Observatoire de Lyon. Serie I. Astronomie 1932 Т. 1, fasc. 1. P. 1—4.

В e a 1 s C. S. On the Temperatures of Wolf-Rayet Stars and Novae//Monthly Notices of the Royal Astronomical Society. 1932. Vol. 92. N 7. P. 684.

Gerasi movie B. P. Spectrophotometry temperatures of early stars// Harvard College Observatory. Circular N 339. P. 1—27.

Eddington A. S. The internal constitution of the stars. Cambridge 1926 P. 138. B

Pike S. R. The Physical Conditions in New Stars//MonthIy Notices of the Royal Astronomical Society. 1929. Vol. 89. N 5. P. 538—544.

Payne С. H. The stars of high luminosity. N. Y.; L., 1930. P. 85. (Harvard observatory monographs; N 3).