TY - JOUR AU - Mawhin, Jean TI - Some remarks on semilinear problems at resonance where the nonlinearity depends only on the derivatives JO - Communications in Mathematics PY - 1994 SP - 61 EP - 69 VL - 2 IS - 1 UR - http://geodesic.mathdoc.fr/item/COMIM_1994_2_1_a5/ LA - en ID - COMIM_1994_2_1_a5 ER -