What better hobby to pick for those cold winter evenings, than to do some integrals! Edit: I can recommend this book for a self-guided study https://archive.o

What better hobby to pick for those cold winter evenings, than to do some integrals! Edit: I can recommend this book for a self-guided study https://archive.org/details/zeldovich-higher-mathematics-for-beginners-and-its-application-to-physics-mir-1973 https://archive.org/details/zeldovich-higher-mathematics-for... The author was a Soviet nuclear physicist (who participated in the creation of the H-bomb), so his main point isn't rigor. It can be a nice change of perspective from standard American texts.