B. Solomyak Math 435 Winter 2003
Ch. 3: #7(abcd), 9, 11, 12, 13; proofs are not required Ch. 4: #1(cfg), 2(ac), 4(bcef); proofs are not required
Ch. 4: #1(cfg), 2(ac), 4(bcef); proofs are not required
Ch. 3: #15-19; Ch. 4: #7.