π-Economy
π-Economy
Peter the Great St. Petersburg Polytechnic University
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Since 2008
ISSN 2782-6015
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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
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Ryzhova Irina G.
jenia-v@yandex.ru
+7 (351) 901-77-26
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
6600
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
6233
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
6188
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
6401
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
6683
Pages: 49-53
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