Volume 14, Issue 2 Toshio Nakata Coupon collector's problem with unlike probabilities Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Toshio Nakata Find more articles with the same keywords Coupon collector's problem majorization Schur concave function Find more articles with the same subject classes 60C05