Tome 240 (1978) no. 3
Sommaire
p. 512-514
p. 515-517
p. 518-521
p. 522-525
On a scheme for studying degenerate extremals of functionals in the classical calculus of variations
p. 530-533
p. 534-537
p. 553-555
p. 564-567
p. 574-577
p. 578-581