π-Economy
π-Economy Peter the Great St. Petersburg Polytechnic University
Since 2008
ISSN 2782-6015
en Английский
Version for the visually impaired
Author Ryzhova Irina G.
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Publication schedule
  • №4 August 2025
    Submission deadline: 2 June 2025
  • №5 October 2025
    Submission deadline: 10 September 2025
  • №6 December 2025
    Submission deadline: 3 November 2025
Latest issues
Ryzhova Irina G.

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
  • 6514
  • 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
  • 6119
  • 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
  • 6102
  • 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
  • 6306
  • 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
  • 6597
  • Pages: 49-53