I have 2D Markov chain like below : 
I have already solved for $p_{b,0}$ and $p_{0,d}$ like this :
$$p_{b,0} = \rho^bp_{0,0}$$ $$p_{0,d} = \rho^dp_{0,0}$$
But I don't know how to get $p_{b,d}$. So far I know that :
$$\sum\limits_{b=0}^B\sum\limits_{d=0}^Dp_{b,d}=1$$ and
$$p_{b,d} = (something)p_{b,0}$$
Then my final goal is to obtain $p_{0,0}$ formula.
Do you know how to get "something" so I can obtain $p_{b,d}$ here?
Thank you for your help