I was recommended J.D. Murray "Asymptotic Analysis" when I was having trouble understanding a particular technique (method of steepest descents), and it defin

I was recommended J.D. Murray "Asymptotic Analysis" when I was having trouble understanding a particular technique (method of steepest descents), and it definitely had clearer explanations than other texts. https://link.springer.com/book/10.1007/978-1-4612-1122-8 https://link.springer.com/book/10.1007/978-1-4612-1122-8