Geodesic
The calculus of the weak ``Law of excluded middle''
Izvestiya. Mathematics , Tome 2 (1968) no. 5, pp. 997-1004.

Voir la notice de l'article provenant de la source Math-Net.Ru

We consider a superintuitionistic propositional calculus with an additional axiom. 
@article{IM2_1968_2_5_a3,
     author = {V. A. Yankov},
     title = {The calculus of the weak {``Law} of excluded middle''},
     journal = {Izvestiya. Mathematics },
     pages = {997--1004},
     publisher = {mathdoc},
     volume = {2},
     number = {5},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1968_2_5_a3/}
}
TY  - JOUR
AU  - V. A. Yankov
TI  - The calculus of the weak ``Law of excluded middle''
JO  - Izvestiya. Mathematics 
PY  - 1968
SP  - 997
EP  - 1004
VL  - 2
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1968_2_5_a3/
LA  - en
ID  - IM2_1968_2_5_a3
ER  - 
%0 Journal Article
%A V. A. Yankov
%T The calculus of the weak ``Law of excluded middle''
%J Izvestiya. Mathematics 
%D 1968
%P 997-1004
%V 2
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1968_2_5_a3/
%G en
%F IM2_1968_2_5_a3
V. A. Yankov. The calculus of the weak ``Law of excluded middle''. Izvestiya. Mathematics , Tome 2 (1968) no. 5, pp. 997-1004. http://geodesic.mathdoc.fr/item/IM2_1968_2_5_a3/

[1] Yankov V. A., “O nekotorykh superkonstruktivnykh ischisleniyakh vyskazyvanii”, Dokl. AN SSSR, 151:4 (1963), 795–798

[2] Rasiowa H., Sikorski R., The mathematics of the metamathematics, Warszawa, 1963

[3] Yankov V. A., “O svyazi mezhdu vyvodimostyu v intuitsionistskom ischislenii vyskazyvanii i konechnymi implikativnymi strukturami”, Dokl. AN SSSR, 451:6 (1963), 1293–1294

[4] Rose G. F.,, “Proposltional calculus and realizability”, Trans. Amer. Math. Soc., 75 (1953), 1–19 | DOI | MR | Zbl