Observations des taches solaires en 1964
CONVEX FUNCTIONS AND THEIR APPLICATIONS
ON THE MAKSIMUM TERM, ORDER AND TYPE OF THE FUNCTION DEFINED BY THE SERIES
STANDARD ERROR FRACTIONAL FUNCTIONAL PROGRAMMING
ON NETWORKS OF MINIMUM CONSTRUCTION COST
SPHERICAL AND CIRCULAR VISCOELASTIC INCLUSIONS
Note sur le Continu de l'Atlas d'Utrecht au-dessous de 4000 Å.
Observations de la chromosphere solaire en 1960-63
AUTOMORPHlSM GROUP OF THE UNIT DISK IzI<0
Abaques pour le Calcul des Temperatures d'Excitation au fond des Raies de FRAUNHOFER