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  1. 1996

  2. Composing of reference systems on personal computers

    Ivanov, O. A. & Plyako, D. A., 1 Jan 1996, In: Vestnik Sankt-Peterburgskogo Universiteta. Ser 1. Matematika Mekhanika Astronomiya. 1, p. 36-38 3 p.

    Research output: Contribution to journal › Article › peer-review

  3. 1990

  4. The set of zeros of a map of a cylinder

    Ivanov, O. A., 1 Oct 1990, In: Journal of Soviet Mathematics. 52, 1, p. 2848-2851 4 p.

    Research output: Contribution to journal › Article › peer-review

  5. 1984

  6. Quadratic forms of closed manifolds

    Ivanov, O. A., 1 Jul 1984, In: Journal of Soviet Mathematics. 26, 1, p. 1664-1667 4 p.

    Research output: Contribution to journal › Article › peer-review

  7. 1982

  8. A construction for integral symmetric bilinear forms

    Ivanov, O. A., 1 Jun 1982, In: Journal of Soviet Mathematics. 19, 3, p. 1250-1253 4 p.

    Research output: Contribution to journal › Article › peer-review

  9. 1979

  10. Homotopy classification of some four-dimensional manifolds

    Ivanov, O. A., 1 Jul 1979, In: Journal of Soviet Mathematics. 12, 1, p. 109-114 6 p.

    Research output: Contribution to journal › Article › peer-review

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