TY - JOUR AU - C. Baiocchi AU - E. Magenes TI - On free-boundary problems associated with the flow of a~liquid through porous materi JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1974 SP - 51 EP - 71 VL - 29 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1974_29_2_a3/ LA - en ID - RM_1974_29_2_a3 ER -