TY - RPRT TI - Progress in Accuracy & Stability Improvement of Nonlinear Filter Methods for Long Time Integration of Compressible Flows AU - Yee, H. C. AU - Sjogreen, B. AU - Kotov, D. V. AU - Wray, A. A. AU - Kritsuk, Alexei PY - 2018 UR - https://ntrs.nasa.gov/citations/20180007547 ID - 20180007547 ER -