TY - JOUR AU - Theodore Laetsch TI - Nonlinear Eigenvalue Problems with Monotonically Compact Operators. (Short Communication). JO - Aequationes mathematicae PY - 1975 SP - 109 EP - 109 VL - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1975__12_136487/ ID - AM2_1975__12_136487 ER -