π-Economy
    π-EconomyPeter the Great St. Petersburg Polytechnic University
    Since 2008
    ISSN 2782-6015
    enАнглийский
    Version for the visually impaired
    AuthorIrina G. Ryzhova
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    Publication schedule
    • №3 June 2026
      Submission deadline: 4 May 2026
    • №4 August 2026
      Submission deadline: 8 June 2026
    • №5 October 2026
      Submission deadline: 7 September 2026
    • №6 December 2026
      Submission deadline: 5 November 2026
    Latest issues
    Irina G. Ryzhova
    Irina G. Ryzhova
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    Optimization methods of enterprise portfolio orders formation by size of marginal income

    Economic & mathematical methods and models
    Danilov G.V.Voinova E.S.Ryzhova I.G.
    • Year: 2011
    • Issue: 2
    • 0
    • 8243
    • Pages: 233-237

    The analysis and optimization of structure of capacities of the enterprise

    Economy and management of the enterprise
    Danilov G.V.Ryzhova I.G.Voinova E.S.
    • Year: 2010
    • Issue: 4
    • 0
    • 7949
    • Pages: 87-90

    Application of statistical methods at the analysis of break-even of the enterprise

    The finance, taxes and book keeping
    Danilov G.V.Ryzhova I.G.Voinova E.S.
    • Year: 2009
    • Issue: 6
    • 0
    • 7783
    • Pages: 153-157

    The operation analysis and acceptance of administrative decisions in the course of real life manufacture process

    Economic & mathematical methods and models
    Voinova E.S.Danilov G.V.Ryzhova I.G.
    • Year: 2008
    • Issue: 3
    • 0
    • 8080
    • Pages: 225-230

    Conditions of application of the regressive analysis for differentiation of expenses as constants and variables

    Theoretical bases of economics and management
    Danilov G.V.Voinova E.S.Ryzhova I.G.
    • Year: 2009
    • Issue: 1
    • 0
    • 8279
    • Pages: 49-53