?url_ver=Z39.88-2004&rft_id=10.1007%2FBFb0115047&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Khapalov%2C+A.+Yu.&rft.aulast=Khapalov&rft.aufirst=A.+Yu.&rft.date=1993&rft.isbn=978-3-540-47480-7&rft.title=Observability+of+hyperbolic+systems+with+interior+moving+sensors&rft.btitle=Analysis+and+Optimization+of+Systems%3A+State+and+Frequency+Domain+Approaches+for+Infinite-Dimensional+Systems&rft.genre=bookitem