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\titleart{TITLE OF THE ABSTRACT}
\autorart{First name Last name of the first author\index{Last name Initials},
First name Last name of the second author\index{Last name Initials}
\footnote{{\it Speaking author}: Initials. Last name of the speaking author (if there are co-authors)}}
\coord{Affiliation, country, e.g. Moldova State University,
Chi\c{s}in\u{a}u, Republic of Moldova}
\mail{1author@yahoo.com, 2author@gmail.com}

\medskip
Text...

4

An example of theorem (lemma):\\
{\bf Theorem 1.} {\it The formulation of the theorem.}
Text...
Examples of formulas:
\begin{equation}
\int\limits_a^b f(x) dx = F(x) + c.
\end{equation}
or
$$
a^2 + b^2 = c^2. \eqno(2)
$$
or
$$
a^3 + b^3 \le c^3.
$$
References are allowed only if there exist citations in the text
(see, e.g. [1-2]).
\medskip
{\small \centerline{\bf References:}
\smallskip
\noindent 1. Initials. Name of author. Title of the article. {\it
Title of the Journal}, {\bf number of issue} (Year), page--page.
\noindent 2. Initials. Name of author. {\it Title of the book}.
Publishing House, Place, Year.
}
\end{document}