DIRECT RECONSTRUCTION OF THE AMPLITUDES OF THE pp→dπ+ REACTION AT 447, 515 AND 580 MeV G. GAILLARD, G. CANTALE, E. HEER, R. HESS, C. LECHANOINE-LELUC et D. RAPIN J. Phys. Colloques, 51 C6 (1990) C6-387-C6-390 DOI: 10.1051/jphyscol:1990635