Steerable filters in finite dimensional function spaces
@TechReport{michaelisTR9715,
  author = 	 {M. Michaelis and G. Sommer},
  title = 	 {Steerable filters in finite dimensional function spaces},
  institution =  {Institut f. Informatik und Praktische Mathematik},
  year = 	 1997,
  number =	 9715,
  month =	 {September}
}