1. S. Antontsev, Personal communication
2. On a free-boundary problem arising in the study of flame propagation
3. M.Bertsch. D. Hilhorst, On a free boundary problem for Burgers equation: the large time behaviour (to appear)
4. M.Bertsch, D. Hilhorst, Cl. Schmidt—Lainé, The well-posedness of a free boundary problem for Burgers equation, Nonlinear Analysis TMA (to appear)