1. Experimental study of the starting process in a rarefaction nozzle;Amann;Phys. Fluids,1969
2. Vorgänge beim Start einer ebener Reflexion Düse;Amann;Z. Flügwiss,1971
3. On the form of a diffracting shock wave;Arutyunyan;Izv. Akad. Nauk. SSSR MZh. G,1968
4. On interaction of shock waves with a wedge;Arutyunyan;Dokl. Akad. Nauk. Arm. SSSR,1968
5. On diffraction of shock waves;Arutyunyan;PMM,1970