TY - JOUR AU - Roland Zielke TI - Tchebyshev Systems That Cannot be Transformed Into Markov Systems. JO - Manuscripta mathematica PY - 1975 SP - 67 EP - 72 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1975__17_154357/ ID - MM2_1975__17_154357 ER -