Volume 6, No. 6 (1989)
Annales de l'Institut Henri Poincaré C

pp. 419–435 Semidifferentials, quadratic forms and fully nonlinear elliptic equations of second orderMichael G. Crandall
pp. 437–480 An asymptotic expansion for the solution of the generalized Riemann problem. Part 2 : application to the equations of gas dynamicsA. BourgeadePh. Le FlochP.A. Raviart
pp. 481–501 The Stefan problem in heterogeneous mediaTomáš Roubíček
pp. 503–524 Equivariant harmonic maps between manifolds with metrics of (p, q)-signatureAndrea Ratto