TY - GEN AU - G. Sakellarides BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 06/1984 DO - 10.21957/yoyjhsbml LA - eng M1 - 89 PB - ECMWF PP - Shinfield Park, Reading PY - 1984 EP - 20 T2 - ECMWF Technical Memoranda TI - Some properties of the Asselin time filter in the presence of friction UR - https://www.ecmwf.int/node/12064 ER -