References
- Elsner , E. 1970 . Monotonte and Randspektrum ber vollstetigen Operatoren . Arch Rational Mech. Anal. , 36 : 356 – 365 .
- Neumann , M. and Stern , R. 1970 . Cone reachability for linear differential systems . Applicable Analysis , 36 to appear
- Rockafellar , R.I. 1970 . Convex Analysis , Princeton .
- Schneider , H. and Vidyasagar , M. 1970 . Cross-positive matrices . S.I.A.M. J. Numer. Anal. , 7 : 508 – 519 .
- Stern , R. 1981 . Generalized M-Matrices . Lin. Alg. Appl. , 41 : 201 – 208 .
- Stern , R. 1982 . A note on positively invariant cones . Appl. Math. Optim , 9 : 67 – 72 .