| 1603 | ON THE WEAK ERGODICITY OF NONHOMOGENEOUS CONTINUOUS-TIME MARKOV CHAINS | 1999 |
| 1610 | ON THE ERGODICITY OF NONHOMOGENEOUS BIRTH AND DEATH PROCESSES | 1994 |
| 1612 | SOME ESTIMATES OF THE RATE OF CONVERGENCE FOR BIRTH AND DEATH PROCESSES | 1991 |
| 4847 | ON STRONG ERGODICITY FOR NONHOMOGENEOUS CONTINUOUS-TIME MARKOV-CHAINS | 1994 |
| 9310 | ON ERGODICITY BOUNDS FOR AN INHOMOGENEOUS BIRTH-DEATH PROCESS | 2015 |