Hostname: page-component-857557d7f7-nk9cn Total loading time: 0 Render date: 2025-11-24T16:44:54.772Z Has data issue: false hasContentIssue false

Introduction

Published online by Cambridge University Press:  14 August 2015

E. I. Kazimirchak-Polonskaya*
Affiliation:
Leningrad

Abstract

Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'