Two other and high ranking names had to be included for the book to be published. and so it had four names on its titlepage. The agreement on the publication of the book was signed on March 10. 1972. On April the 4. Shifrin applied for a visa. On April the 20th the two nominal and highranking coauthors told the publishing house that having obtained new data which is to change some fundamental concepts of the book they want to cancel the agreement. And canceled it was. although such data in such a field the venerable authors could hardly obtain in a month. even if they had had the time to read the book.