This is BibTeX, Version 0.99d (TeX Live 2020)
Capacity: max_strings=200000, hash_size=200000, hash_prime=170003
The top-level auxiliary file: document.aux
The style file: alpha.bst
Database file #1: referencies.bib
You've used 13 entries,
            2543 wiz_defined-function locations,
            642 strings with 6568 characters,
and the built_in function-call counts, 5081 in all, are:
= -- 521
> -- 216
< -- 7
+ -- 73
- -- 70
* -- 365
:= -- 832
add.period$ -- 40
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chr.to.int$ -- 13
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if$ -- 1033
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missing$ -- 11
newline$ -- 68
num.names$ -- 39
pop$ -- 71
preamble$ -- 1
purify$ -- 90
quote$ -- 0
skip$ -- 164
stack$ -- 0
substring$ -- 326
swap$ -- 24
text.length$ -- 7
text.prefix$ -- 5
top$ -- 0
type$ -- 100
warning$ -- 0
while$ -- 53
width$ -- 17
write$ -- 169