no. V2
The busy period of a repairman attending a (n+1) unit parallel system
Revue française d'automatique, informatique, recherche opérationnelle. Recherche opérationnelle, Tome 7 (1973) no. V2, pp. 124-126. 
@article{RO_1973__7_2_124_0,
     author = {Vanderperre, E. J.},
     title = {The busy period of a repairman attending a $(n + 1)$ unit parallel system},
     journal = {Revue fran\c{c}aise d'automatique, informatique, recherche op\'erationnelle. Recherche op\'erationnelle},
     pages = {124--126},
     publisher = {EDP-Sciences},
     volume = {7},
     number = {V2},
     year = {1973},
     mrnumber = {341677},
     zbl = {0259.60046},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1973__7_2_124_0/}
}
TY  - JOUR
AU  - Vanderperre, E. J.
TI  - The busy period of a repairman attending a $(n + 1)$ unit parallel system
JO  - Revue française d'automatique, informatique, recherche opérationnelle. Recherche opérationnelle
PY  - 1973
SP  - 124
EP  - 126
VL  - 7
IS  - V2
PB  - EDP-Sciences
UR  - http://archive.numdam.org/item/RO_1973__7_2_124_0/
LA  - en
ID  - RO_1973__7_2_124_0
ER  - 
%0 Journal Article
%A Vanderperre, E. J.
%T The busy period of a repairman attending a $(n + 1)$ unit parallel system
%J Revue française d'automatique, informatique, recherche opérationnelle. Recherche opérationnelle
%D 1973
%P 124-126
%V 7
%N V2
%I EDP-Sciences
%U http://archive.numdam.org/item/RO_1973__7_2_124_0/
%G en
%F RO_1973__7_2_124_0
Vanderperre, E. J. The busy period of a repairman attending a $(n + 1)$ unit parallel system. Revue française d'automatique, informatique, recherche opérationnelle. Recherche opérationnelle, Tome 7 (1973) no. V2, pp. 124-126. http://archive.numdam.org/item/RO_1973__7_2_124_0/

[1] J.W. Cohen, On the busy periods for the M|G| 1 queue with finite and infinite waitingroom. 1971, JAP, 8. | MR | Zbl

[2] L. Takacs, Introductions to the theory of queues, Oxford Univ. Press, New York, 1962. | MR | Zbl

[3] E. J. Vanderperre, The effect of blocking on a single server queue in tandem with a many server system, .T.H report-71-WSK-0l, 1971.