Publications in collaboration with researchers from Universidad del País Vasco/Euskal Herriko Unibertsitatea (2)

1982

  1. O simmyetriyakh i pyervykh intyegralakh dinamichyeskikh sistyem

    Il Nuovo Cimento B, Vol. 67, Núm. 2, pp. 223-232

1981

  1. Symmetry vectors and first integrals of dynamical systems

    Lettere al Nuovo Cimento, Vol. 30, Núm. 7, pp. 206-208