Smarandache multi-space theory

Algebraic and differential methods for nonlinear control theory: elements of commutative algebra and algebraic geometry

Hiperbidang afin monoton sebagai gabungan dari beberapa komplemen semiruang pada aljabar max-plus = Strictly affine hyperplane as a union of complement semispaces in max-plus algebra

Principles of algebraic geometry

Real algebraic geometry: proceedings of the conference held in Rennes, France, June 24-28, 1991