Vol. 12 No. 3 (1990)

Published: 30-09-1990

Research Article

  • Non-linear oscillations in first order systems with delay. II. Non-autonomous case
    Nguyen Dong Anh, Nguyen Tien Khiem

    DOI: https://doi.org/10.15625/0866-7136/10282
  • Whit ham method of the expansion near the wave front propagating on the river with bed load transport
    Pham Hung

    DOI: https://doi.org/10.15625/0866-7136/10283
  • The absorber in self-excited system with random excitation
    Nguyen Dong Anh, Kieu The Duc

    DOI: https://doi.org/10.15625/0866-7136/10284
  • Một vài vấn đề động lực học của ống dẫn ngoài biển
    Pham Huu Tu

    DOI: https://doi.org/10.15625/0866-7136/10285