Volume 3, Issue 4 Marina Chugunova Hans Volkmer Study of a differential operator of Heun type arising in fluid dynamics 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 Marina Chugunova Hans Volkmer Find more articles with the same keywords internal singularity Heun equation reduced resolvent core of an operator Schatten class Find more articles with the same subject classes 33E10 47B10 34L10