 |
| |||
с несколькими неизвестными (The sufficiency conditions of [IV.6] can be extended to basic problems with several unknowns  google.ru Orange_Jews) | |||
|
| |||
| с несколькими неизвестными (The sufficiency conditions of [IV.6] can be extended to basic problems with several unknowns google.ru Orange_Jews) | |||