REFERENCES
- Boas, R. P., Partial sums of infinite series and how they grow. Amer. Math. Monthly 84 (1977), 237–258.
- Boas, R. P., Growth of partial sums of divergent series, Math, of Comp. 31 (1971), 257–264.
- Boas, R. P. and J. W. Wrench, Jr., Partial sums of the harmonic series, Amer. Math. Monthly 78 (1971), 864–870.