@techreport{50ea33c04ca84391b7727412e99864df,
title = "Algebraic Approach to Absorbing Boundary Conditions 1: Basic Ideas",
keywords = "absorbing boundary conditions, wave equations, absorbing boundary conditions, wave equations, absorbing boundary conditions, wave equations",
author = "J. Tuomela",
year = "1994",
language = "English",
series = "Helsinki University of Technology, Institute of Mathematics, Research Reports",
publisher = "TKK",
number = "A335",
pages = "13",
type = "WorkingPaper",
institution = "TKK",
}