Zhenyu Qian. Extensions of order-sorted algebraic specifications: parameterization, higher-order functions and polymorphism. PhD thesis, University of Bremen, Germany, 1991. [doi]
@phdthesis{dnb-11389, title = {Extensions of order-sorted algebraic specifications: parameterization, higher-order functions and polymorphism}, author = {Zhenyu Qian}, year = {1991}, url = {http://d-nb.info/911231242}, researchr = {https://researchr.org/publication/dnb-11389}, cites = {0}, citedby = {0}, school = {University of Bremen, Germany}, }