TY - JOUR AU - Krzysztof Burnecki AU - Marek A. Teuerle AU - Aleksandra Wilkowska TI - De Vylder type approximation of the ruin probability for the insurer-reinsurer model JO - Mathematica Applicanda PY - 2019 SP - 5 EP - 24 VL - 47 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v47i1.6417/ DO - 10.14708/ma.v47i1.6417 LA - pl ID - 10_14708_ma_v47i1_6417 ER -