TY - JOUR AU - Esmail Yousefi TI - A mixed problem for the fourth order degenerate ordinary differential equation JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2010 SP - 16 EP - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2010_2_a2/ LA - en ID - UZERU_2010_2_a2 ER -