The search for patterns of accumulation of errors is practically possible only in networks constructed from ideal figures. Really created networks consist of shapes of arbitrary shape. Because of this, there are errors in estimating the accuracy of the elements of a real network, produced not only by approximate, but also by strict formulas.
- Kosteckaja Ja. M. K voprosu ocenki tochnosti sploshnyh setej trilateracii // Geodezija, kartografija i ajerofotosemka. 1967. Vyl. 6.
- Kosteckaja Ja. M. O tochnosti opredelenija direkcionnyh uglov v sploshnyh setjah trilateracii // Geodezija, kartografija i ajerofotosemka. 1974. Vyp. 20.
- Kosteckaja Ja. M. Poperechnyj sdvig punktov v setjah trilateracii // Geodezija, kartografija i ajerofotosemka. 1978. Vyp. 28.