. . "Cluster sets of pseudo-meromorphic functions"@en . . . . . . . . . . . . "MINNESOTA UNIV MINNEAPOLIS Dept. of MATHEMATICS." . . "Functions(mathematics))" . . "(Functions(mathematics)" . "Complex variables." . . "Topology." . . "Conformal mapping." . . "Transformations(mathematics)" . . "(Set theory." . . "Set theory)" . "Convex sets." . .