no. 1-2
Invariants when the transformation is infinitesimal, and their relevance in bio-mathematics and in the theory of terrestrial magnetism
Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 8 (1954) no. 1-2, pp. 1-42. 
@article{ASNSP_1954_3_8_1-2_1_0,
     author = {Glenn, Oliver E.},
     title = {Invariants when the transformation is infinitesimal, and their relevance in bio-mathematics and in the theory of terrestrial magnetism},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {1--42},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 8},
     number = {1-2},
     year = {1954},
     mrnumber = {68083},
     zbl = {0055.32301},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1954_3_8_1-2_1_0/}
}
TY  - JOUR
AU  - Glenn, Oliver E.
TI  - Invariants when the transformation is infinitesimal, and their relevance in bio-mathematics and in the theory of terrestrial magnetism
JO  - Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche
PY  - 1954
SP  - 1
EP  - 42
VL  - 8
IS  - 1-2
PB  - Scuola normale superiore
UR  - http://www.numdam.org/item/ASNSP_1954_3_8_1-2_1_0/
LA  - en
ID  - ASNSP_1954_3_8_1-2_1_0
ER  - 
%0 Journal Article
%A Glenn, Oliver E.
%T Invariants when the transformation is infinitesimal, and their relevance in bio-mathematics and in the theory of terrestrial magnetism
%J Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche
%D 1954
%P 1-42
%V 8
%N 1-2
%I Scuola normale superiore
%U http://www.numdam.org/item/ASNSP_1954_3_8_1-2_1_0/
%G en
%F ASNSP_1954_3_8_1-2_1_0
Glenn, Oliver E. Invariants when the transformation is infinitesimal, and their relevance in bio-mathematics and in the theory of terrestrial magnetism. Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 8 (1954) no. 1-2, pp. 1-42. http://www.numdam.org/item/ASNSP_1954_3_8_1-2_1_0/