Observations des taches solaires en 1964
SPHERICAL AND CIRCULAR VISCOELASTIC INCLUSIONS
CONVEX FUNCTIONS AND THEIR APPLICATIONS
AUTOMORPHlSM GROUP OF THE UNIT DISK IzI<0
ON NETWORKS OF MINIMUM CONSTRUCTION COST
ON THE MAKSIMUM TERM, ORDER AND TYPE OF THE FUNCTION DEFINED BY THE SERIES
Observations de la chromosphere solaire en 1960-63
A STEADY TEMPERATURE DISTRIBUTION FOR A LINE VORTEX