Astragalus veresczagini Krylov et Sumnev. var. lanceolatus Krylov. Lectotypus.Н. Крылова: Томск, 1989 /
A.V. Polozhij, V.F. Balashova. Types of the taxa in P.N.
Krylov Herbrarium: 23.
Formal matrices and their determinantsIn the present paper, we study formal matrix rings over
a given ring and determinants
Determinants of generalized matrices of order 2The concept of the determinant of
a generalized matrix of order 2 is introduced, and some
Pulsatilla turczaninovii Krylov et Serg. LectotypusСоставитель описания: А.В. Положий /
A.V. Polozhij, 1989