TY - JOUR AU - M. I. Khaikin TI - An exceptional case of the homogeneous Riemann problem with finite index of the coefficient JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1972 SP - 92 EP - 103 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1972_5_a13/ LA - ru ID - IVM_1972_5_a13 ER -