| Subject | English | Russian |
| math. | the purpose of the book is in part to discuss the validity of the upper bound work method in a form that can be appreciated by a practicing engineer | который может быть принят практическим инженером |
| math. | the purpose of the book is in part to discuss the validity of the upper bound work method in a form that can be appreciated by a practicing soil engineer | целью этой книги частично является обсуждение справедливости |