1
by Astashev, V. K., Kolovsky, M. Z., Babitsky, V. I.
Published 2000
Springer Berlin Heidelberg

2
by Babitsky, V. I.
Published 1998
Springer Berlin Heidelberg

3
by Babitsky, V. I., Shipilov, A. V.
Published 2003
Springer Berlin Heidelberg

4
by Astashev, V.K., Babitsky, V. I.
Published 2007
Springer Berlin Heidelberg