@article{CM_1951__9__130_0,
     author = {Loonstra, F.},
     title = {The classes of partially ordered groups},
     journal = {Compositio Mathematica},
     pages = {130--140},
     publisher = {Kraus Reprint},
     volume = {9},
     year = {1951},
     mrnumber = {45740},
     zbl = {0043.25602},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1951__9__130_0/}
}

TY  - JOUR
AU  - Loonstra, F.
TI  - The classes of partially ordered groups
JO  - Compositio Mathematica
PY  - 1951
SP  - 130
EP  - 140
VL  - 9
PB  - Kraus Reprint
UR  - http://archive.numdam.org/item/CM_1951__9__130_0/
LA  - en
ID  - CM_1951__9__130_0
ER  - 

%0 Journal Article
%A Loonstra, F.
%T The classes of partially ordered groups
%J Compositio Mathematica
%D 1951
%P 130-140
%V 9
%I Kraus Reprint
%U http://archive.numdam.org/item/CM_1951__9__130_0/
%G en
%F CM_1951__9__130_0

Loonstra, F. The classes of partially ordered groups. Compositio Mathematica, Tome 9 (1951), pp. 130-140. http://archive.numdam.org/item/CM_1951__9__130_0/