Dual purities and interrelation between the \(P\)-purities and the purities given by systems of equations. (English. Russian original) Zbl 0816.20048
Sib. Math. J. 34, No. 3, 540-547 (1993); translation from Sib. Mat. Zh. 34, No. 3, 161-170 (1993).
Reviewer: G.Călugăreanu (Cluj-Napoca)