Taylor, Walter Hyperidentities and hypervarieties. (English) Zbl 0491.08009 Aequationes Math. 23, 30-49 (1981). MSC: 08B05 16Rxx 20M05 20E10 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Schweizer, B.; Sklar, A. A grammar of functions. II. (English) Zbl 0179.03803 Aequationes Math. 3, 15-43 (1969). × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Schweizer, B.; Sklar, A. A grammar of functions. (English) Zbl 0164.33502 Aequationes Math. 2, 62-85 (1968). × Cite Format Result Cite Review PDF Full Text: DOI EuDML