%%
%% The LaTeX Companion, 3ed
%%
%% Example 11-4-12 on page II-168 in "amsmath, esint, wasysym --- Multiple integral signs".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See
https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3examargin}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{135.0pt}
% Shorten the vertical size of the example ...
\AtBeginDocument{%
\setlength\abovedisplayskip{.1\abovedisplayskip}%
\setlength\belowdisplayskip{.1\belowdisplayskip}%
}
%StartShownPreambleCommands
\usepackage{amsmath}
%StopShownPreambleCommands
\begin{document}
\begin{gather*}
\iint\limits_V \mu(v,w) \,du \,dv \\
\iiint\limits_V \mu(u,v,w) \,du \,dv \,dw \\
\iiiint\limits_V \mu(t,u,v,w) \,dt \,du \,dv \,dw \\
\idotsint\limits_V \mu(z_1, \dots, z_k) \,\mathbf{dz}
\end{gather*}
\end{document}