The Appellate Division of the New York Supreme Court issues an opinion that can be found at $157$ A$.$D$\mathrm{.}3$d $486,69$ N$.$Y$.$S$\mathrm{.}3$d $26."157"$ is

the number of the volume in the official reports of the court's decisions.

the number of the volume in an unofficial report of the court's decisions.

a page number in the referenced volume.

the number of the case in its chronological sequence.