%A Cohen, Jacob Willem %A Boxma, O. J. %T Boundary value problems in queueing system analysis %I North-Holland Pub. Co.,Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co. %D 1983 %S North-Holland mathematics studies %V 79 %U https://ci.nii.ac.jp/ncid/BA03237043