Geodesic
Three theorems on $tt$-degrees
Algebra i logika, Tome 17 (1978) no. 3, pp. 270-281 
A. N. Degtev. Three theorems on $tt$-degrees. Algebra i logika, Tome 17 (1978) no. 3, pp. 270-281. http://geodesic.mathdoc.fr/item/AL_1978_17_3_a3/
@article{AL_1978_17_3_a3,
     author = {A. N. Degtev},
     title = {Three theorems on $tt$-degrees},
     journal = {Algebra i logika},
     pages = {270--281},
     year = {1978},
     volume = {17},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1978_17_3_a3/}
}
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AU  - A. N. Degtev
TI  - Three theorems on $tt$-degrees
JO  - Algebra i logika
PY  - 1978
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EP  - 281
VL  - 17
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/AL_1978_17_3_a3/
LA  - ru
ID  - AL_1978_17_3_a3
ER  - 
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%A A. N. Degtev
%T Three theorems on $tt$-degrees
%J Algebra i logika
%D 1978
%P 270-281
%V 17
%N 3
%U http://geodesic.mathdoc.fr/item/AL_1978_17_3_a3/
%G ru
%F AL_1978_17_3_a3

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