The convergence of certain approximate methods for solving the equations of motion of a tetragyroscopic vertical
English version (Springer): Ukrainian Mathematical Journal 29 (1977), no. 2, pp 196-199.
Citation Example: Kucherenko E. I. The convergence of certain approximate methods for solving the equations of motion of a tetragyroscopic vertical // Ukr. Mat. Zh. - 1977. - 29, № 2. - pp. 259–263.
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