J. Płonka

发表

On Γ-regular graphs

J. Płonka, 1982 .

Some remarks on sums of direct systems of algebras

Jerzy Płonka, J. Płonka, 1968 .

Joins and Direct Products of Equational Classes

G. Grätzer, H. Lakser, J. Płonka, 1969, Canadian Mathematical Bulletin.

Minimal Characteristic Algebras for Some Properties of Identities

J. Płonka, 2002 .

ON STRONGLY NON-REGULAR AND TRIVIALIZING VARIETIES OF ALGEBRAS

J. Płonka, 1986 .

Mapping Extension of an Algebra

J. Płonka, A. Marczak, 2009 .

On Nilpotent Extensions of Algebras

J. Płonka, A. Marczak, 2007 .

Representations of algebras from varieties defined by some regular identities with nullary operation symbols

J. Płonka, 1995 .

On algebras withn distinct essentiallyn-ary operations

J. Płonka, 1971 .

On the arity of idempotent reducts of groups

J. Płonka, 1970 .

On a method of construction of abstract algebras

Jerzy Płonka, J. Płonka, 1967 .

Subdirectly irreducible generalized sums of upper semilattice ordered systems of algebras

J. Płonka, Z. Szylicka, 2002 .

On the sum of a direct system of universal algebras with nullary polynomials

J. Płonka, J. Płonka, 1984 .

The lattice of subvarieties of the biregularization of the variety of Boolean algebras

J. Płonka, 2001 .

Subdirect decompositions of algebras from 2-clone extensions of varieties

J. Płonka, 1998 .

On distributive quad-lattices

Jerzy Płonka, J. Płonka, 1967 .