...registered, but in the birth certificate he is recorded as the father?
...divorce certificate ? (Again, the original remained in Kramatorsk). Or only at your place of residence?
... under her maiden name, and when she got married, did she change her last name, or do I need to change the mother's last name in the child's birth certificate?
... without my consent, does not provide the address of residence, limits communication (once every two weeks for a few minutes allows to talk with the children), does not make contact, I do not know under what conditions and with whom my children live, how can I influence the situation , can the mother of the child be held responsible for preventing the father from communicating with the children, and how to get the right to see the children?