The technical problems were considerable at the time, as both the general theory of manifolds and the 'singular theory' were in their early formative stages.
The technical problems were considerable at the time, as both the general theory of manifolds and the 'singular theory' were in their early formative stages.
user
Технічні проблеми були значними в той час, так як і загальна теорія багатовидів і "сингулярної теорії" були в їх ранній стадії формування.
assistant