V. N. Bezverkhnii, E. S. Logacheva, “Letter to the editor”, Chebyshevskii Sb., 2014, Volume 15, Issue 2,Pages <nobr>148

JOURNALS // Chebyshevskii Sbornik // Archive

Chebyshevskii Sb., 2014 Volume 15, Issue 2, Pages 148–150 (Mi cheb348)

LETTER TO THE EDITOR

Letter to the editor

V. N. Bezverkhnii, E. S. Logacheva

Tula State Pedagogical University

UDC: 519.4

Received: 24.04.2014