On admissible free terms of the conditional Trilateration equation

1
Lviv Politecnic National University
2
Lviv polytechnic National University

1. Spravochnoe rukovodstvo po inzhenerno-geodezicheskim rabotam/Pod. red. Bol'shakova V. D., Lsvchuka G. P. M„ 1980.

2. Jakovlev N. V. Vysshaja geodezija. M., 1989.