Tome 19 (1964) no. 2
Sommaire
p. 114-120
p. 124-126
p. 138-140
p. 140-145
p. 153-170
p. 178-184
A simple procedure for the determination of the axes of symmetry and metrical elements of the conics
p. 208-215
p. 216-224
p. 225-251