TY  - JOUR
AU  - M. S. Burgin
TI  - Nonclassical models of the natural numbers
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1977
VL  - 32
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1977_32_6_a5/
LA  - ru
ID  - RM_1977_32_6_a5
ER  -