TY - JOUR AU - Zh. Tasmambetov TI - On irregular singular curves of Whittaker type systems JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2013 SP - 25 EP - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2013_4_a1/ LA - ru ID - VSGTU_2013_4_a1 ER -