Recent content by fgyamauti

Hi, I'm searching for hard exercise books, like Mir Moscow publisher books. I've already know Irodov and Mechtcherski. Anyone know about another one as hard as those or harder ? Thanks.

Thanks. Any other suggestions about books related to demonstrations, proofs? How to improve it? Techniques about proving ?

Hi, thanks for the answers. I´ve already tried Spivak, but it does not talk about asymptotes. I´ve tried Apostol too, however I want something more formal (like russian books, Demidovich for instance). I will try analysis next semester, so I have to understand those formal concepts and learn...

Hi, I´m trying to find out some calculus books that explain asymptotes (not only 10 lines, someone that explains formally and intuitivelly too) and demonstrate formally every theorem (including Weiertrass-Bolzano, Cauchy, Weiertrass, Lagrange, Roller theorem and L´Hopital´rule absent more...

When I try to demonstrate that lim (x^2)=4 x--->2 I found a different delta (delta=min{2-sqrt(epsilon-4),sqrt(epsilon+4)-2}, towards the one that is written in Demidovich´s book (delta=epsilon/5). Could someone help me? Could someone tell...