Doesn't suit? No problem! You can return within 30 days
You won't go wrong with a gift voucher. The gift recipient can choose anything from our offer.
30-day return policy
Rabota posvyashhena dokazatel'stvu kojercitivnyh apriornyh ocenok reshenij kraevyh zadach v polose dlya vyrozhdajushhihsya jellipticheskih uravnenij vysokogo poryadka. V rabote dokazany takzhe teoremy sushhestvovaniya i edinstvennosti reshenij ukazannyh kraevyh zadach. Teoremy o sushhestvovanii reshenij i apriornye ocenki reshenij ustanovleny v special'nyh vesovyh funkcional'nyh prostranstvah tipa prostranstv S.L. Soboleva.